CRITICAL 9.5 NVD

CVE-2026-97631

EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds Write”, Classic Buffer Overflow, and “Incorrect Calculation of Buffer Size” by remot

EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds Write”, Classic Buffer Overflow, and “Incorrect Calculation of Buffer Size” by remote access. Successful exploitation of this vulnerability can lead to arbitrary code execution. It could also impact Confidentiality, Integrity, and Availability.

References

https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m

Published: 2026-10-22 · Source: NVD · Feed updated: 2026-10-22

This critical severity vulnerability with a CVSS score of 9.5 was published on 2026-10-22 via NVD.

Risk Timeline

CVE Disclosed2026-10-22 · -1 days ago

Remediation Resources

GitHub

github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m

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