CRITICALCVSS v4 9.5Vulnerability
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 remote access. Successful exploitation of this vulnerability can lead to arbitrary code execution. It could also impact Confidentiality, Integrity, and Availability.
Properties
- First seen
- 2026-10-22T16:37:13+00:00
- Cvss score
- 9.5
- Last seen
- 2026-10-22T16:37:13+00:00
- Euvd assigner
- TianoCore
- Retrieved at
- 2026-10-22T22:16:40+00:00
- Src batch id
- euvd-20261022T183401Z-d955ef
- Source url
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108230
- Score
- 9.5
- Euvd base score version
- 4.0
- Fetched at
- 2026-10-22T18:34:20+00:00
- Euvd vendor
- Tianocore
- Cvss vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- First seen by Signal
- 2026-10-22T18:12:34+00:00
- Euvd base score
- 9.5
- Vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Content hash
- 977fefbf52b580e40cc119ee7ab3398ec299287fd171aa425cfec5aebfff3bf1
- Published at
- 2026-10-22T17:17:02.027
- Euvd updated
- 2026-10-22T16:37:13+00:00
- Last modified
- 2026-10-22T17:40:46.877
- Euvd epss pct
- 0
Related Entities (3)
HAS_WEAKNESS (3)
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