What’s Vulnerable › Vulnerabilities

CVE-2022-37971: Microsoft Windows Defender Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-11 · updated 2026-06-17

Description

Microsoft Windows Defender Elevation of Privilege Vulnerability

Affected products

• Microsoft Malware Protection Engine: before 1.1.19700.2 — fixed in 1.1.19700.2
• Microsoft Malware Protection Engine: from 1.1.0.0 before 1.1.19700.2 — fixed in 1.1.19700.2

How to fix

Upgrade to a fixed version: Microsoft Malware Protection Engine 1.1.19700.2; Microsoft Malware Protection Engine 1.1.19700.2. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-37971
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37971
• https://www.withsecure.com/en/support/security-advisories/cve-2022-37971

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