kernel vulnerability

  1. Understanding CVE-2025-53147: AFD.sys Use-After-Free Privilege Escalation

    A use‑after‑free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys) — tracked as CVE-2025-53147 — can allow an authorized local attacker to escalate privileges to a higher level on affected Windows systems by forcing the kernel driver to operate on freed memory...
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    • afd.sys cve-2025-53147 cybersecurity deviceiocontrol edr enterprise security forensics incident response ioctl kernel memory kernel vulnerability local exploit patch patch management privilege escalation security updates use-after-free vulnerabilities windows winsock
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    • Forum: Security Alerts

  2. CVE-2025-53141: Null Pointer in AFD.sys Enables Local SYSTEM Elevation (WinSock)

    Microsoft’s advisory confirms that a null pointer dereference in the Windows Ancillary Function Driver for WinSock (AFD.sys) can be triggered by a locally authorized attacker to elevate privileges to SYSTEM, creating a high-impact local elevation-of-privilege (EoP) risk for affected Windows...
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    • afd.sys cve-2025-53141 endpoint detection eop extended security updates kernel drivers kernel vulnerability msrc null pointer dereference patch management privilege escalation system elevation threat hunting windows windows security winsock
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    • Forum: Security Alerts

  3. CVE-2025-53137: Windows AFD.sys Use-After-Free Privilege Escalation

    A use‑after‑free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys), tracked as CVE-2025-53137, can be abused by an authorized local user to escalate privileges to SYSTEM on affected Windows hosts — a high‑impact kernel vulnerability that follows a string of similar AFD...
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    • afd.sys cve-2025-53137 eop hvci kernel drivers kernel vulnerability local exploit memory issues patch management patch tuesday 2025 privilege escalation threat hunting use-after-free wdac windows winsock
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    • Forum: Security Alerts

  4. WinSock AFD Race Condition: What Sysadmins Must Do Now (CVE-2025-53134)

    Title: What sysadmins need to know about the WinSock AFD race-condition EoP entry you sent (CVE-2025-53134) — situation, risk, and what to do now Executive summary You sent the MSRC URL for CVE-2025-53134 (Windows Ancillary Function Driver for WinSock — race condition / improper synchronization...
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    • afd.sys cisa cve-2025-21418 cve-2025-32709 cve-2025-49661 cve-2025-53134 edr incident response kernel vulnerability local eop microsoft patch msrc nvd patch privilege escalation race condition siem threat detection windows security winsock
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    • Forum: Security Alerts

  5. CVE-2025-53135: DirectX Kernel EoP via Race Condition (dxgkrnl)

    Below is a comprehensive technical brief on CVE-2025-53135 (DirectX Graphics Kernel — elevation of privilege via a race condition). I searched Microsoft’s Security Update Guide and the public vulnerability databases for corroborating information; where vendor-provided details are available I...
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    • cve-2025-53135 directx dxgkrnl edr detection exploit prevention forensics gpu incident response kernel kernel vulnerability local eop mitigation msrc patch patch management privilege escalation race condition threat hunting windows security windows vulnerabilities
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    • Forum: Security Alerts

  6. CVE-2025-53132: Patch Windows Win32k GRFX Race Condition EoP

    Microsoft has confirmed CVE-2025-53132 — a race‑condition elevation‑of‑privilege vulnerability in the Windows Win32k – GRFX component — and administrators must treat affected hosts as high‑priority patch targets while applying layered mitigations to reduce immediate risk. Background Windows’...
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    • cve-2025-53132 edr detection grfx incident response kernel security kernel vulnerability local exploit microsoft update guide patch patch management privilege privilege escalation race condition rdp threat hunting vdi win32k win32k grfx windows security
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    • Forum: Security Alerts

  7. CVE-2025-50176: DirectX Kernel Type-Confusion RCE – Patch Now

    CVE-2025-50176 — DirectX Graphics Kernel Type‑Confusion RCE Author: Security Analysis Desk — August 12, 2025 TL;DR CVE-2025-50176 is a type‑confusion vulnerability in the DirectX Graphics Kernel (dxgkrnl / DirectX graphics subsystem) that Microsoft categorizes as enabling local...
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    • cve-2025-50176 cybersecurity directx dxgkrnl edr exploit prevention forensics hardening incident response kernel vulnerability msrc patch management privilege escalation rce rdp security advisory type confusion vdi windows security
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    • Forum: Security Alerts

  8. CVE-2025-49762: AFD.sys Race Condition Enables Local Privilege Escalation

    A recently published Microsoft advisory warns that CVE-2025-49762 — a race-condition flaw in the Windows Ancillary Function Driver for WinSock (AFD.sys) — can allow a locally authorized attacker to elevate privileges by exploiting concurrent execution using a shared resource with improper...
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    • afd.sys cve-2025-49762 edr endpoint security incident response kernel drivers kernel vulnerability microsoft advisory microsoft patch patch privilege privilege escalation race condition security updates threat detection threat hunting threat intelligence vulnerability management windows winsock
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    • Forum: Security Alerts

  9. CVE-2025-49761: Windows Kernel Use-After-Free Privilege Escalation

    A use‑after‑free bug in the Windows kernel has been reported under the identifier CVE‑2025‑49761 and is described by Microsoft as an elevation‑of‑privilege vulnerability that can allow a local, authorized attacker to gain SYSTEM privileges; administrators should treat the advisory as urgent and...
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    • bsod cve-2025-49761 edr detection enterprise security escalation incident response kernel drivers kernel vulnerability memory issues msrc patch management patch rollout privilege escalation use-after-free vulnerability management windows kernel windows security windows update zero-day
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    • Forum: Security Alerts

  10. Edge and WebView2 on Windows 10 22H2 Through 2028: OS Risks Remain

    Microsoft’s recent lifecycle clarification — that Microsoft Edge (and the WebView2 runtime) will continue to receive security and quality updates on Windows 10, version 22H2, well after the operating system itself reaches end-of-support — reshapes migration timelines for millions of users and...
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    • browser security compliance auditing edge updates enterprise it esu extended security updates it governance kernel vulnerability microsoft edge migration os lifecycle patch management pwas security risks security updates update management webview2 windows 10 22h2 windows 10 end of support
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    • Forum: Windows News

  11. How Ransomware Hacks Windows 11 by Abusing Intel Drivers to Disable Antivirus

    A potent wave of ransomware attacks has uncovered a cunning new strategy in cybercrime: hackers are leveraging a legitimate Intel CPU tuning driver to disable Windows 11’s built-in antivirus, leaving systems dangerously exposed. The Akira ransomware, already notorious for its aggressive...
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    • akira ransomware byovd attacks cybersecurity digital signature abuse driver vulnerabilities endpoint security enterprise security hacking intel drivers kernel vulnerability malware ransomware rwdrv.sys security security best practices threat detection vulnerability windows 11 windows defender
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    • Forum: Windows News

  12. July 2025 Windows Security Updates: Critical Vulnerabilities, Features & Best Practices

    The July 2025 rollout of Microsoft Windows Security Updates marks another significant chapter in the ongoing effort to secure the world’s most popular desktop operating system and its enterprise-class server counterparts. With Microsoft delivering a sweeping 130 security updates, alongside...
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    • critical patch cyber threats cybersecurity hardware security kernel vulnerability microsoft microsoft patch patch management security best practices security bugs system administration virtualization vulnerabilities vulnerability windows 11 updates windows features windows security windows server windows update zero-day vulnerabilities
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    • Forum: Windows News

  13. Critical Windows Kernel Vulnerability CVE-2025-49666 Risks & Urgent Patch Alert

    A critical security vulnerability, identified as CVE-2025-49666, has been discovered in the Windows Kernel, specifically affecting the Setup and Boot Event Collection components. This flaw is a heap-based buffer overflow that allows an authorized attacker to execute arbitrary code over a...
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    • buffer overflow cve-2025-49666 cybersecurity extended security updates heap overflow information security kernel vulnerability microsoft patch network security remote code execution security security advisory system administration vulnerability windows 10 windows 11 windows security windows server
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    • Forum: Security Alerts

  14. CVE-2025-49667 Windows Kernel Vulnerability: Critical Security Flaw & Mitigation Strategies

    The recent disclosure of CVE-2025-49667, a critical elevation of privilege (EoP) vulnerability in the Windows Win32 Kernel (Win32K) Subsystem, has cast a spotlight on the ongoing security challenges inherent in fundamental components of the Windows operating system. Security researchers and IT...
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    • cve-2025-49667 cyber defense cybersecurity double-free vulnerability endpoint security exploit prevention extended security updates kernel security kernel vulnerability memory management memory safety microsoft patch os security privilege escalation security security best practices vulnerability management win32k vulnerability windows security
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    • Forum: Security Alerts

  15. CVE-2025-49660: Critical Windows Event Tracing Privilege Escalation Vulnerability

    Here's a detailed explanation about CVE-2025-49660, a Windows Event Tracing Elevation of Privilege Vulnerability, based on available technical context and similar use-after-free vulnerabilities in the Windows Event Tracing or logging subsystems: Technical Details and Analysis Vulnerability...
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    • cve-2025-49660 cybersecurity endpoint security enterprise security event tracing exploit prevention kernel vulnerability malware prevention memory vulnerability microsoft security privilege privilege escalation security security awareness security patch system privileges use-after-free vulnerabilities windows security
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  16. CVE-2025-48809: Critical Windows Kernel Local Information Disclosure Vulnerability

    Here is a summary of CVE-2025-48809 based on your prompt and the official Microsoft Security Response Center: CVE-2025-48809 – Windows Secure Kernel Mode Information Disclosure Vulnerability Description: This vulnerability involves the removal or modification of processor optimization or...
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    • cve-2025-48809 cybersecurity extended security updates information disclosure kernel mode exploit kernel vulnerability local attack microsoft patch microsoft security os security security security advisory security patch security risks system integrity tech vulnerability vulnerability windows security
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  17. CVE-2025-48001: Critical Windows BitLocker Vulnerability Bypasses Encryption

    A recently disclosed vulnerability, identified as CVE-2025-48001, has raised significant concerns regarding the security of Windows BitLocker, Microsoft's full-disk encryption feature. This flaw, stemming from a time-of-check to time-of-use (TOCTOU) race condition, allows unauthorized attackers...
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    • bitlocker cryptographic vulnerability cve-2025-48001 cybersecurity data security device security encryption bypass full disk encryption hibernation data kernel vulnerability microsoft security physical security secure boot security best practices security patch toctou tpm vulnerabilities windows security
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  18. CVE-2025-47996: Windows MBT Transport Driver Integer Underflow Vulnerability & Security Fixes

    An integer underflow vulnerability has been identified in the Windows MBT Transport driver, designated as CVE-2025-47996. This flaw allows authorized attackers to locally elevate their privileges, potentially compromising system integrity. Understanding Integer Underflow Integer underflow occurs...
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    • cve-2025-47996 cybersecurity driver security integer underflow kernel vulnerability malware prevention patch management privilege escalation security security best practices security patch security updates system integrity system protection threat mitigation vulnerabilities windows security windows update windows vulnerabilities
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  19. Understanding and Mitigating Windows CVE-2025-49686 Kernel Vulnerability

    A steadily rising tide of critical security disclosures continues to shape the landscape for enterprise Windows deployments, and few recent reports have drawn more intense scrutiny than the emergence of CVE-2025-49686. This severe vulnerability, targeting the Windows TCP/IP driver's handling of...
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    • advanced persistent threats cve-2025-49686 cybersecurity enterprise security exploit prevention kernel vulnerability network security os security patch management privilege escalation security security best practices security bulletin security patch system hardening threat intelligence vulnerability management windows security windows tcp/ip driver
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  20. Critical Windows TDX.sys Vulnerability (CVE-2025-49658) Threatens Local System Security

    The Windows Transport Driver Interface (TDI) Translation Driver, known as TDX.sys, has been identified with a critical vulnerability labeled CVE-2025-49658. This flaw permits authorized local attackers to perform out-of-bounds read operations, potentially leading to the disclosure of sensitive...
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    • cve-2025-49658 driver security kernel vulnerability local exploit memory disclosure microsoft security patch tdi driver vulnerabilities windows security
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    • Forum: Security Alerts