High severity7.8NVD Advisory· Published Nov 10, 2021· Updated Aug 19, 2026
CVE-2021-42298
CVE-2021-42298
Description
Microsoft Defender Remote Code Execution Vulnerability
Affected products
2- cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*Range: <1.1.18700.3
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42298nvdMitigationPatchVendor Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42298nvd
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