Incorrect Behavior Order Affecting tianocore/edk2 package, versions [0,202508.01)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-TIANOCOREEDK2-11954360
- published18 Aug 2025
- disclosed7 Aug 2025
- creditUnknown
Introduced: 7 Aug 2025
CVE-2025-3770 (opens in a new tab)How to fix?
Upgrade tianocore/edk2 to version 202508.01 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Behavior Order via premature enablement of Machine Check Exceptions. An attacker can execute arbitrary code with elevated privileges by generating MCEs before the System Management Mode installs an appropriate handler.