High severity7.5NVD Advisory· Published Aug 13, 2025· Updated Jun 17, 2026
CVE-2025-4277
CVE-2025-4277
Description
Tcg2Smm has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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