[ CVE-2021-31955 · Published 8 Jun 2021 ]
Microsoft Windows Kernel Information Disclosure Vulnerability
Exploited · CISA KEV CVSS 5.5
EPSS 81%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- EPSS: 81% chance of exploitation in the next 30 days (higher than 100% of CVEs)
[ Description ]Official description
Windows Kernel Information Disclosure Vulnerability
CISA: Microsoft Windows Kernel contains an unspecified vulnerability that allows for information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.
- Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31955PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource