kernel vulnerability

  1. CVE-2025-54911: High-Impact BitLocker Local Privilege Escalation (UAF)

    Microsoft’s security update guide lists CVE‑2025‑54911 as a use‑after‑free defect in Windows BitLocker that can be triggered by an authorized local user to elevate privileges on affected machines, creating a high‑impact local elevation‑of‑privilege risk that administrators must treat as urgent...
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    • bitlocker boot security cve-2025-54911 cybersecurity endpoint security enterprise it extended security updates kernel vulnerability local-elevations memory issues msrc patch patch management pre boot authentication risk management tpm use-after-free vulnerability windows security
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    • Forum: Security Alerts

  2. CVE-2025-54105: Local Elevation of Privilege in Microsoft BFS (Brokering File System)

    Microsoft has published an advisory for CVE-2025-54105 — a local elevation-of-privilege vulnerability in the Microsoft Brokering File System (BFS) caused by a concurrency bug (race condition) that can be exploited by an authenticated local user to gain elevated rights on the host. Background The...
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    • bfs brokering file system cve-2025-54105 edr-siem elevation of privilege impact kernel vulnerability kernel-race-condition local eop microsoft bfs msrc patch management race condition security updates toctou use-after-free vulnerability windows security
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    • Forum: Security Alerts

  3. CVE-2025-55226: Local kernel code execution via Windows Graphics Kernel race condition

    CVE-2025-55226 is a locally exploitable race‑condition vulnerability in the Windows Graphics Kernel that allows an authenticated (local) attacker to achieve code execution in kernel context by inducing concurrent access to a shared graphics subsystem resource without proper synchronization. This...
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    • blue screen concurrency cve-2025-55226 driver signing dxgkrnl graphics kernel graphics subsystem hvci incident response kernel vulnerability memory integrity memory issues multi-user patch management privilege escalation race condition security updates telemetry vbs win32k
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    • Forum: Security Alerts

  4. CVE-2025-55228: Windows GRFX Race Condition and Patch Guidance

    Microsoft’s security portal lists CVE-2025-55228 as a Windows Graphics Component issue in the Win32K — GRFX code path that can be abused by an authenticated local actor through a concurrency/race condition; the flaw is described as allowing execution of attacker-supplied code in kernel context...
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    • cve-2025-55228 graphics subsystem grfx incident response kernel vulnerability local exploit mitigation msrc patch management privilege escalation race condition rdp security updates soc threat detection vdi win32k windows windows security
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    • Forum: Security Alerts

  5. CVE-2025-54110: Urgent Windows Kernel Patch & Mitigations

    Microsoft has published an advisory for CVE-2025-54110, a Windows Kernel vulnerability caused by an integer overflow or wraparound that can be triggered by a locally authorized attacker to achieve elevation of privilege to SYSTEM on affected machines; administrators should treat this as a...
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    • applocker aslr cve-2025-54110 edr extended security updates hvci hyper-v incident response integer overflow kernel vulnerability local exploit memory issues msrc patch management patch rollout privilege escalation vdi wdac windows kernel
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    • Forum: Security Alerts

  6. CVE-2025-54099: Windows AFD.sys Stack Overflow Privilege Escalation Explained

    Microsoft’s advisory identifies a vulnerability in the Windows Ancillary Function Driver for WinSock (afd.sys) that can be triggered locally to escalate privileges — described on the vendor page as a buffer overflow in the WinSock ancillary driver — and administrators must treat this as a...
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    • afd.sys cve-2025-54099 deviceiocontrol edr detection elevation ioctl kernel vulnerability memory safety microsoft update catalog mitigation patch privilege escalation security patch siem stack overflow threat hunting windows winsock
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    • Forum: Security Alerts

  7. MBT Transport Driver (netbt.sys) Local EoP: Patch, Mitigation & Detection

    Microsoft’s security update guide lists a high‑risk elevation‑of‑privilege entry for the Windows MBT Transport driver that, according to the vendor advisory, stems from an untrusted pointer dereference and can be used by an authorized local user to escalate to SYSTEM — a kernel‑level impact that...
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    • allocation spraying attack detection cve-2025-55230 deviceiocontrol edr eop forensics incident response kernel exploitation kernel vulnerability mbt transport memory issues msrc netbios over tcp/ip netbt patch patch management privilege escalation windows security
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    • Forum: Security Alerts

  8. Beyond Windows Security: Strengthen Windows 11 with MFA, Patching & Phishing

    Windows Security is a strong baseline for protecting Windows 11 devices, but it was never designed to be a human-proof, one-stop solution — there are modern threats that built-in tools cannot fully mitigate, and relying on default protection alone leaves significant gaps in phishing...
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    • bitlocker breach detection core isolation device security edr haveibeenpwned hvci kernel vulnerability mdr mfa password management patch management phishing social engineering threat mitigation vbs windows 11 windows security zero-day
    • Replies: 0
    • Forum: Windows News

  9. CVE-2025-53723: Numeric Truncation in Hyper-V Elevates Privilege

    Microsoft has published an advisory for CVE-2025-53723: a numeric truncation error in Windows Hyper‑V that Microsoft classifies as an Elevation of Privilege (EoP) vulnerability; the vendor states an authorized local attacker can exploit the flaw to escalate privileges on affected hosts...
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    • cloud security cve-2025-53723 eop host security hyper-v hypervisor kernel vulnerability microsoft msrc patch patch management privilege escalation security advisory update guide virtualization vmms vsp vulnerability windows
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    • Forum: Security Alerts

  10. CVE-2025-53718: Windows AFD.sys UAF Privilege Escalation — Patch, Detect, Harden

    Microsoft’s Security Update Guide entry for CVE-2025-53718 describes a use‑after‑free (UAF) flaw in the Windows Ancillary Function Driver for WinSock (AFD.sys) that can be triggered by a locally authorized user to obtain elevated privileges on affected Windows hosts — a kernel‑level...
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    • afd.sys applocker cve-2025-53718 edr incident response kernel vulnerability local attack msrc patch management privilege escalation rds security updates threat detection use-after-free vdi wdac windows kernel winsock
    • Replies: 0
    • Forum: Security Alerts

  11. AFD.sys Null Pointer Dereference: Local EoP to SYSTEM - Patch Now

    Microsoft’s Security Response Guide flags a null-pointer dereference in the Windows Ancillary Function Driver for WinSock (AFD.sys) that, when reached by a local, authorized user, can be weaponized into an elevation‑of‑privilege to SYSTEM — a high‑impact kernel vulnerability that demands...
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    • afd.sys cve-2025 edr elevation endpoint security enterprise patching hvci memory integrity kernel defenses kernel vulnerability memory integrity msrc advisory null pointer dereference patch patch management privilege escalation siem smart app control windows kernel winsock
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    • Forum: Security Alerts

  12. Patch Windows Kernel Streaming WOW Thunk (ks.sys) LPE: Heap Overflow Risk

    Microsoft has released patches for a kernel-mode flaw in the Kernel Streaming WOW Thunk Service Driver—an exploitable heap-based buffer overflow that can allow a locally authorized attacker to escalate privileges to SYSTEM—though the CVE identifier you supplied (CVE-2025-53149) does not appear...
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    • cve-2025-24995 cve-2025-53149 edr heap overflow incident response ioctl kernel kernel vulnerability ks.sys lpe patch management privilege escalation security patch windows windows update wow thunk
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    • Forum: Security Alerts

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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