Vulnerability in Microsoft Defender Security Intelligence Updates

CVE-2023-21809

Microsoft Defender for Endpoint Security Feature Bypass Vulnerability

EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Defender_security_intelligence_updates
Microsoft Defender Security Intelligence Updates — versions 1.0.0

References

secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21809?: CVE-2023-21809 is a high-severity vulnerability in Microsoft Defender Security Intelligence Updates. CVSS score: 7.8/10. Published 2023-02-14.
How severe is CVE-2023-21809?: High severity. CVSS v3 base score is 7.8 out of 10.