CVE-2026-20712CWE-459

CVE-2026-20712

published August 11, 2026

CVSS
4.0
EPSS
0%
Percentile
1.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
4.0 · NONE
CVSS v4.0
Not supplied
EPSS
0.00120 · 1.7th percentile
Weakness
CWE-459 · Incomplete Cleanup
Published
2026-08-11T22:17Z
References (1)
EPSS history
Timeline
  • 11 AUG 17:39Z
    Incomplete cleanup in some UEFI firmware for some Intel(R) reference platforms within UEFI may allow an information disclosure
    cvelistv5