Bug 2559129 (CVE-2026-97631) - CVE-2026-97631 edk2: Pre-boot RCE in EDK II PXE driver
Summary: CVE-2026-97631 edk2: Pre-boot RCE in EDK II PXE driver
Keywords:
Status: NEW
Alias: CVE-2026-97631
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
urgent
urgent
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2559889
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-22 16:43 UTC by OSIDB Bzimport
Modified: 2026-10-23 14:14 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-10-22 16:43:50 UTC 
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.
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