cve-2025-53136

About this tag
CVE-2025-53136 is a Windows kernel information disclosure vulnerability that affects Windows 11 and Windows Server 2022 24H2 builds. The flaw originates from changes to the kernel function RtlSidHashInitialize, which was modified to fix an earlier October 2024 issue. These changes temporarily write a sensitive kernel pointer into a userland buffer, creating a timing window that local attackers can exploit with race logic. This allows attackers to defeat Kernel Address Space Layout Randomization (KASLR) and potentially chain the bug into full local privilege escalation. Microsoft's Security Update Guide lists CVE-2025-53136 as a local information disclosure vulnerability that does not permit remote code execution on its own but can be a stepping stone in multi-stage attacks. Administrators are advised to install vendor updates to remediate the issue.

  1. CVE-2025-53136: Windows Kernel Info Leak Threat to KASLR (TOCTOU)

    A routine security update intended to tighten Windows kernel defenses has instead opened a new attack vector: a reliably exploitable information‑disclosure bug tracked as CVE‑2025‑53136 that leaks kernel addresses on Windows 11 and Windows Server 2022 24H2 builds. The vulnerability—rooted in...
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    • applocker cve-2025-53136 edr kaslr kernel kernel-info-leak lpe memory ntqueryinformationtoken patch rtlsidhashinitialize sandbox siem toctou token vulnerability wdac windows 11 24h2 windows server 2022
    • Replies: 0
    • Forum: Windows News

  2. CVE-2025-53136: Windows NT Kernel Information Disclosure — Patch Now

    Microsoft's Security Update Guide lists CVE-2025-53136 as a Windows NT OS Kernel information disclosure vulnerability that can allow an authorized local attacker to read sensitive kernel-resident data after certain processor optimizations remove or modify security‑critical code paths. The...
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    • cve-2025-53136 edr forensics information disclosure kaslr lcu local attack memory disclosure nt kernel patch privilege escalation security patch ssu threat mitigation windows kernel windows update
    • Replies: 0
    • Forum: Security Alerts