NVD-CVE-2026-97631
CVE-2026-97631 Detail
Description
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.
_NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed._
**CVSS 3.x Severity and Vector Strings:**
**NIST:**NVD
**Base Score:** N/A
NVD assessment not yet provided.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) | | --- | --- | --- |
| https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m ## Thank you for visiting NIST. ## We hope your visit was informative. We have provided a link to this site because it has information that may be of interest to our users. NIST does not necessarily endorse the views expressed or the facts presented on this site. Further, NIST does not endorse any commercial products that may be advertised or available on this site. You will now be directed to: [https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m](https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m "https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m") OKCancel | TianoCore.org | |
Weakness Enumeration
| CWE-ID | CWE Name | Source | | --- | --- | --- |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | !Image 2: Reference acceptance levelTianoCore.org | | CWE-131 | Incorrect Calculation of Buffer Size | !Image 3: Reference acceptance levelTianoCore.org | | CWE-787 | Out-of-bounds Write | !Image 4: Reference acceptance levelTianoCore.org |
Affected Products
**Source: TianoCore.org**(hide)
| Vendor | Product | Versions | | --- | --- | --- | | TianoCore | EDK2 | Affected 0 <=edk2-stable202608 |
Change History
1 change records foundshow changes
#### Quick Info
**CVE Dictionary Entry:** CVE-2026-97631 **NVD Published Date:** Oct 22, 2026 **NVD Last Modified:** Oct 22, 2026 **Source:** TianoCore.org