[ CVE-2021-34484 · Published 12 Aug 2021 ]
Microsoft Windows User Profile Service Privilege Escalation Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 22%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-31
- EPSS: 22% chance of exploitation in the next 30 days (higher than 98% of CVEs)
[ Description ]Official description
Windows User Profile Service Elevation of Privilege Vulnerability
CISA: Microsoft Windows User Profile Service contains an unspecified vulnerability that allows for privilege escalation.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 21 Apr 2022): Apply updates per vendor instructions.
- Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
- Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34484PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34484PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource