security patch

Microsoft has released an out‑of‑band emergency patch to fix a critical remote code execution vulnerability in Windows Server Update Services (WSUS) — tracked as CVE‑2025‑59287 — and every WSUS host must be treated as a top‑tier remediation priority until it is patched or isolated. The flaw is a...

A newly reported elevation‑of‑privilege issue tied to Azure’s notification infrastructure — tracked as CVE‑2025‑59500 in some community notes — has raised urgent operational questions for administrators and security teams, but the public evidence for this exact CVE number is limited and the...

Microsoft has released emergency fixes for a severe ASP.NET Core vulnerability — a Kestrel HTTP request‑smuggling/security‑feature bypass tracked as CVE‑2025‑55315 and flagged with a near‑maximum CVSS v3.1 score of 9.9 — and developers and operators are being urged to patch immediately, assess...

Microsoft has confirmed CVE-2025-59260 as a local information‑disclosure vulnerability in the Microsoft Failover Cluster virtual driver that can write sensitive cluster state into log files or otherwise expose privileged configuration data to low‑privileged local actors, and Microsoft has...

Microsoft confirmed a Windows kernel elevation‑of‑privilege vulnerability tracked as CVE‑2025‑59194, describing it as a use of uninitialized resource in kernel code that an authorized local attacker can exploit to gain elevated privileges; Microsoft published the advisory and security update...

Microsoft has confirmed and patched CVE-2025-58734 — an Inbox COM Objects (Global Memory) vulnerability that can be leveraged for local remote code execution and elevation of privilege in specific hosting contexts, and administrators must treat it as a high-priority fix for exposed and...

Microsoft’s October security rollup includes a newly cataloged Windows Kernel elevation‑of‑privilege tracked as CVE‑2025‑59187, a confirmed local flaw that Microsoft classifies as improper input validation and that carries a CVSS v3.1 base score of 7.8 (High) — administrators should treat this...

Microsoft has recorded CVE-2025-55699 as a Windows Kernel information‑disclosure vulnerability and published a security update on October 14, 2025 that Microsoft says fixes an issue where an authorized local actor can disclose sensitive kernel memory under certain conditions — administrators...

Microsoft has confirmed a Windows BitLocker security feature bypass tracked as CVE-2025-55332, and the advisory — backed by third‑party aggregators — describes an issue that allows an attacker with physical access to influence BitLocker’s boot or recovery decision logic and bypass protections...

Windows administrators and identity teams should treat a newly disclosed Active Directory Federation Services (AD FS) vulnerability — tracked as CVE‑2025‑59258 — as a high‑priority operational item: Microsoft’s advisory describes an insertion of sensitive information into AD FS log files that...

Microsoft has published an advisory for CVE-2025-53717, a high‑impact elevation‑of‑privilege vulnerability in Windows Virtualization‑Based Security (VBS) Enclave that Microsoft characterizes as “reliance on untrusted inputs in a security decision.” The vendor‑published metrics list a CVSS v3.1...

Google released an emergency Chrome stable update that fixes a use‑after‑free (UAF) vulnerability in the WebRTC component tracked as CVE‑2025‑10501, and Microsoft Edge (Chromium‑based) customers should treat the issue as relevant until Microsoft ships the Chromium ingestion for Edge. Background...

Windows 10 will stop receiving free security fixes on October 14, 2025 — and if your PC can’t take the free Windows 11 upgrade, you have five realistic paths forward: enroll in Extended Security Updates (ESU), buy or rent a new Windows 11 PC (including cloud PCs), perform an unsupported upgrade...

Short answer up front — I can write the 2,000+ word WindowsForum.com feature you asked for, but I need one quick clarification before I start: I can't find any public record for CVE‑2025‑59220. Public trackers and vendor records instead show multiple Windows “Bluetooth Service”...

Executive Summary Microsoft has released a security update addressing a new heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS), tracked as CVE-2025-54113. The flaw could allow remote code execution (RCE) if exploited, and administrators are strongly urged to patch...

A newly disclosed race‑condition vulnerability in the Windows Capability Access Management Service (camsvc) can be abused by a local attacker to escalate privileges to SYSTEM on unpatched hosts, and organizations should treat the advisory as a high‑priority patching event for affected Windows...

Microsoft’s advisory identifies CVE-2025-53803 as a Windows Kernel memory information disclosure vulnerability: an error message generated by kernel code can contain sensitive kernel memory contents, allowing an authenticated local actor to read data that should remain protected. Background The...

A newly disclosed Microsoft Excel vulnerability tracked as CVE-2025-54902 is an out‑of‑bounds read flaw in Excel’s file‑parsing logic that Microsoft warns could allow an attacker to achieve code execution on a targeted machine when a user opens a specially crafted spreadsheet, and organizations...

A newly disclosed vulnerability affecting Windows' Routing and Remote Access Service (RRAS) can allow remote attackers to execute code against unpatched RRAS hosts — administrators must treat any RRAS-enabled servers exposed to untrusted networks as high-priority for patching, isolation, and...

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...