CVE-2026-20712: Information Disclosure in Intel(R) reference platforms
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.
AI Analysis
Technical Summary
This vulnerability arises from incomplete cleanup in certain UEFI firmware implementations on Intel reference platforms. A system software adversary with privileged user rights and local access can exploit this flaw with low complexity to disclose sensitive information. The vulnerability does not affect system integrity or availability but can lead to confidentiality breaches. No vendor advisory or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability may lead to unauthorized disclosure of sensitive information on affected systems. It does not impact system integrity or availability. The confidentiality impact is rated high, while integrity and availability impacts are none. Exploitation requires privileged local access and does not require user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit privileged local access to trusted users and monitor for unusual activity consistent with local privilege misuse.
CVE-2026-20712: Information Disclosure in Intel(R) reference platforms
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.
CVSS v4.0
Score 4.0medium
Affected software
Intel(R) reference platforms
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from incomplete cleanup in certain UEFI firmware implementations on Intel reference platforms. A system software adversary with privileged user rights and local access can exploit this flaw with low complexity to disclose sensitive information. The vulnerability does not affect system integrity or availability but can lead to confidentiality breaches. No vendor advisory or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability may lead to unauthorized disclosure of sensitive information on affected systems. It does not impact system integrity or availability. The confidentiality impact is rated high, while integrity and availability impacts are none. Exploitation requires privileged local access and does not require user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit privileged local access to trusted users and monitor for unusual activity consistent with local privilege misuse.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- intel
- Date Reserved
- 2025-12-03T17:58:55.176Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a7b628dbf8831d5392312a8
Added to database: 08/11/2026, 17:57:33 UTC
Last enriched: 08/11/2026, 18:44:48 UTC
Last updated: 09/25/2026, 13:47:43 UTC
Views: 45
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