Windows Update Stack Elevation of Privilege Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- Fix
- Fixed in 10.0.22631.7582, 10.0.26100.9445, 10.0.26200.9445, 10.0.28000.2954, 10.0.26100.33438
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: active
- Automatable: no
- Technical impact: total
Summary
This vulnerability affects the Windows Update Stack component of Microsoft Windows, allowing a local user with some access to the system to gain higher privileges. An attacker could exploit this flaw by manipulating file links so the update process accesses protected files, potentially giving them full control over the affected computer.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.
Timeline
- CISA SSVC assessment
Exploitation: active · Automatable: no · Technical impact: total
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CVE published
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
Affected versions
- Microsoft Windows 11 version 23H2
From 10.0.22631.0 · fixed in 10.0.22631.7582
- Microsoft Windows 11 Version 23H2
From 10.0.22631.0 · fixed in 10.0.22631.7582
- Microsoft Windows 11 Version 24H2
From 10.0.26100.0 · fixed in 10.0.26100.9445
- Microsoft Windows 11 Version 25H2
From 10.0.26200.0 · fixed in 10.0.26200.9445
- Microsoft Windows 11 version 26H1
From 10.0.28000.0 · fixed in 10.0.28000.2954
- Microsoft Windows Server 2025
From 10.0.26100.0 · fixed in 10.0.26100.33438
- Microsoft Windows Server 2025 (Server Core installation)
From 10.0.26100.0 · fixed in 10.0.26100.33438