CVE-2025-2296: tianocore edk2 Improper Input Validation
CVSS: 8.4v4.0HighDeferred
AliasesRHSA-2026:18465UBUNTU-CVE-2025-2296DEBIAN-CVE-2025-2296openSUSE-SU-2026:10467-1
Published 09-12-2025Last modified 09-12-2025
Vulnerability summary
CVE-2025-2296 is a high (CVSS 8.4) Improper Input Validation vulnerability in tianocore edk2. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.8% of scored vulnerabilities.
CVSS score
8.4/10
010
High · v4.0 (CVE.org)EPSS score
0.77%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-12-2025PublishedVulnerability first disclosed.
- 09-12-2025Last modifiedVulnerability information updated.
Description
EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access. Successful exploitation of this vulnerability could alter control flow in unexpected ways, potentially allowing arbitrary command execution and impacting Confidentiality, Integrity, and Availability.
CVSS metrics
5 scores · 5 sources · 2 versionsHigh 8.4Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:LSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated8.4HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
- OSV · DebianEcosystem advisory · calculated8.4HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/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
- NVDNIST8.4HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/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
High 8.2Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.77%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.77% on 19-09-2026
19-09-202619-10-2026
EPSS score0.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat7 products
- edk2< 0:20251114-5.el10_2
- edk2-aarch64< 0:20251114-5.el10_2
- edk2-debugsource< 0:20251114-5.el10_2
- edk2-ovmf< 0:20251114-5.el10_2
- edk2-tools< 0:20251114-5.el10_2
Debian1 product
- edk2All versions (No fix recorded) | < 2025.02-1
Opensuse1 product
- ovmf&distro=openSUSE Tumbleweed< 202602-6.1
Tianocore1 product
- edk2< edk2-stable202502
Ubuntu1 product
- edk2All versions (No fix recorded)
5 vendors · 11 products
