All vulnerabilities
CVE-2021-1647

Microsoft Defender Remote Code Execution Vulnerability

Microsoft Defender
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)39.7%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline17 Nov 2021Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 12 Jan 2021, 19:42 UTCPublishedCVE List
  2. 3 Nov 2021Added to CISA KEVCISA KEV

Description

Microsoft Defender contains an unspecified vulnerability that allows for remote code execution.

Text from CVE List

Affected versions 5

  • Microsoft System Center Endpoint Protectionaffected: N/ACVE List
  • Microsoft System Center 2012 R2 Endpoint Protectionaffected: N/ACVE List
  • Microsoft Security Essentialsaffected: N/ACVE List
  • Microsoft System Center 2012 Endpoint Protectionaffected: N/ACVE List
  • Windows Defenderaffected: N/ACVE List

References 4