[ CVE-2021-1647 · Published 12 Jan 2021 ]
Microsoft Defender Remote Code Execution Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 40%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- EPSS: 40% chance of exploitation in the next 30 days (higher than 99% of CVEs)
[ Description ]Official description
Microsoft Defender Remote Code Execution Vulnerability
CISA: Microsoft Defender contains an unspecified vulnerability that allows for remote code execution.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 17 Nov 2021): 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-2021-1647PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource