kernel elevation

About this tag
The kernel elevation tag on WindowsForum.com covers discussions about vulnerabilities and exploits that allow a local user to escalate privileges to SYSTEM or other high-integrity levels on Windows. Recent threads highlight specific kernel bugs, such as a Win32k ICOMP type-confusion issue and an integer overflow in the Projected File System (ProjFS), both rated as high-severity elevation-of-privilege (EoP) risks. These threads provide technical background, CVSS scores, and patching guidance for IT administrators and security professionals. The tag focuses on kernel-level privilege escalation threats, including type confusion, integer overflows, and other memory corruption flaws that require local access to exploit.

  1. Win32k ICOMP Type Confusion: Urgent Patch for Kernel Elevation

    Microsoft has issued a security advisory for a serious Win32k kernel vulnerability — an ICOMP type‑confusion bug that can be triggered by an authorized local user to escalate to SYSTEM — and organizations should treat this as a high‑priority elevation‑of‑privilege (EoP) risk until every affected...
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    • kernel elevation patch management win32k vulnerability windows security updates
    • Replies: 0
    • Forum: Security Alerts

  2. CVE-2025-62467: High Risk ProjFS Privilege Escalation on Windows

    Microsoft and multiple vulnerability trackers recorded CVE-2025-62467 on December 9, 2025 — an integer overflow / wraparound bug in the Windows Projected File System (ProjFS) that can be abused by an authorized local user to gain elevated privileges, and which is currently rated High (CVSS 3.1 =...
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    • cve 2025 62467 kernel elevation projfs vulnerability windows security
    • Replies: 0
    • Forum: Security Alerts