CVE-2026-20712 Information disclosure in Intel(R) reference platforms
A privileged local attacker can exploit incomplete cleanup in Intel UEFI firmware to expose sensitive system data.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-20712?
CVE-2026-20712 is a medium-severity vulnerability in Intel(R) reference platforms, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incomplete cleanup in some UEFI firmware for some Intel(R) reference platforms within UEFI may allow an information disclosure. System software adversary with a privileged user combined with a low complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts.
Weakness: CWE-459
Which versions are affected by CVE-2026-20712?
How do I fix CVE-2026-20712?
No fix has been published for CVE-2026-20712 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-20712 being exploited?
There is no known exploitation of CVE-2026-20712 in the wild and no public exploit code.
Sources
Also known as GHSA-rxp8-2rxw-2rgw.