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TI-2025-03322 Aliases CVE-2025-3770

SMM IDT Privilege Escalation Vulnerability

Priority LOW 32CWE-693Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-693.

Summary

EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, and Availability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00164 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TianoCoreEDK2up to edk2-stable202505—No fix listedCNA
  • EDK2 VendorTianoCore Affected up to edk2-stable202505 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*——TianoCore
  • cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:* Versions — — ·TianoCore

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-3770

References

Other 1

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-24240 Buffer Overflow in EDK II Network Package CVSS 3.1HIGH 8.8
  • TI-2023-24238 Infinite loop in EDK II Network Package CVSS 3.1HIGH 7.5
  • TI-2023-24235 Buffer Overflow in EDK II Network Package CVSS 3.1HIGH 8.8
  • TI-2023-26565 An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. CVSS 3.1MEDIUM 6.7
  • TI-2023-24236 Out-of-Bounds Read in EDK II Network Package CVSS 3.1MEDIUM 6.5
See all 53 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences