Uncaught exception in edk2 - CVE-2025-3770
Published: August 7, 2025 / Updated: December 10, 2025
Vulnerability identifier: #VU113731
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-3770
CWE-ID: CWE-248
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: TianoCore
Affected software:
edk2
edk2
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to unsafe handling of IDT register on SMM entry. A local user can trigger unexpected exceptions can execute arbitrary code with System Management Mode (SMM) privileges.
How to mitigate CVE-2025-3770
Install updates from vendor's website.