CVE-2023-25600: Insyde Insydecrpkg

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016.

Affected products

• Insyde Insydecrpkg: before 01.01.04.0016 (fixed in 01.01.04.0016)

Published 2023-08-03. Last modified 2026-06-17.