What’s Vulnerable › Vulnerabilities

CVE-2022-24548: Microsoft Defender Denial of Service Vulnerability

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-15 · updated 2026-06-17

Description

Microsoft Defender Denial of Service Vulnerability

Affected products

• Microsoft Malware Protection Engine: before 1.1.19100.5 — fixed in 1.1.19100.5
• Microsoft Malware Protection Engine: from 1.1.0.0 before 1.1.19100.5 — fixed in 1.1.19100.5

How to fix

Upgrade to a fixed version: Microsoft Malware Protection Engine 1.1.19100.5; Microsoft Malware Protection Engine 1.1.19100.5. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24548
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24548

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