Vulnerability Intelligence Report
CVE-2026-20716
Improper access control for some Intel(R) Processors within Ring 3: User Applications may allow an escalation of privilege. Simple hardware adversary with an authenticated user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
No Active Exploit Signals
CVSS Base Score
7.2
HIGH
EPSS Probability:0.09%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-284 ↗Improper Access Control
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| intel | xeon_634_firmware | all |
| intel | xeon_634 | all |
| intel | xeon_636_firmware | all |
| intel | xeon_636 | all |
| intel | xeon_638_firmware | all |
| intel | xeon_638 | all |
| intel | xeon_654_firmware | all |
| intel | xeon_654 | all |
| intel | xeon_656_firmware | all |
| intel | xeon_656 | all |
| intel | xeon_658x_firmware | all |
| intel | xeon_658x | all |
| intel | xeon_674x_firmware | all |
| intel | xeon_674x | all |
| intel | xeon_676x_firmware | all |
| intel | xeon_676x | all |
| intel | xeon_678x_firmware | all |
| intel | xeon_678x | all |
| intel | xeon_696x_firmware | all |
| intel | xeon_696x | all |
| intel | xeon_698x_firmware | all |
| intel | xeon_698x | all |
| intel | xeon_6315p_firmware | all |
| intel | xeon_6315p | all |
| intel | xeon_6325p_firmware | all |
| intel | xeon_6325p | all |
| intel | xeon_6333p_firmware | all |
| intel | xeon_6333p | all |
| intel | xeon_6337p_firmware | all |
| intel | xeon_6337p | all |
| intel | xeon_6349p_firmware | all |
| intel | xeon_6349p | all |
| intel | xeon_6353p_firmware | all |
| intel | xeon_6353p | all |
| intel | xeon_6357p_firmware | all |
| intel | xeon_6357p | all |
| intel | xeon_6369p_firmware | all |
| intel | xeon_6369p | all |
| intel | xeon_6377p_firmware | all |
| intel | xeon_6377p | all |
| intel | xeon_6503p_firmware | all |
| intel | xeon_6503p | all |
| intel | xeon_6503p-b_firmware | all |
| intel | xeon_6503p-b | all |
| intel | xeon_6505p_firmware | all |
| intel | xeon_6505p | all |
| intel | xeon_6507p_firmware | all |
| intel | xeon_6507p | all |
| intel | xeon_6511p_firmware | all |
| intel | xeon_6511p | all |
| intel | xeon_6513p-b_firmware | all |
| intel | xeon_6513p-b | all |
| intel | xeon_6515p_firmware | all |
| intel | xeon_6515p | all |
| intel | xeon_6516p-b_firmware | all |
| intel | xeon_6516p-b | all |
| intel | xeon_6517p_firmware | all |
| intel | xeon_6517p | all |
| intel | xeon_6518p-b_firmware | all |
| intel | xeon_6518p-b | all |
| intel | xeon_6520p_firmware | all |
| intel | xeon_6520p | all |
| intel | xeon_6521p_firmware | all |
| intel | xeon_6521p | all |
| intel | xeon_6523p-b_firmware | all |
| intel | xeon_6523p-b | all |
| intel | xeon_6527p_firmware | all |
| intel | xeon_6527p | all |
| intel | xeon_6530p_firmware | all |
| intel | xeon_6530p | all |
| intel | xeon_6532p-b_firmware | all |
| intel | xeon_6532p-b | all |
| intel | xeon_6533p-b_firmware | all |
| intel | xeon_6533p-b | all |
| intel | xeon_6543p-b_firmware | all |
| intel | xeon_6543p-b | all |
| intel | xeon_6544p-b_firmware | all |
| intel | xeon_6544p-b | all |
| intel | xeon_6546p-b_firmware | all |
| intel | xeon_6546p-b | all |
| intel | xeon_6548p-b_firmware | all |
| intel | xeon_6548p-b | all |
| intel | xeon_6553p-b_firmware | all |
| intel | xeon_6553p-b | all |
| intel | xeon_6556p-b_firmware | all |
| intel | xeon_6556p-b | all |
| intel | xeon_6563p-b_firmware | all |
| intel | xeon_6563p-b | all |
| intel | xeon_6706p-b_firmware | all |
| intel | xeon_6706p-b | all |
| intel | xeon_6710e_firmware | all |
| intel | xeon_6710e | all |
| intel | xeon_6714p_firmware | all |
| intel | xeon_6714p | all |
| intel | xeon_6716p-b_firmware | all |
| intel | xeon_6716p-b | all |
| intel | xeon_6718p-b_firmware | all |
| intel | xeon_6718p-b | all |
| intel | xeon_6724p_firmware | all |
| intel | xeon_6724p | all |
| intel | xeon_6725p_firmware | all |
| intel | xeon_6725p | all |
| intel | xeon_6726p-b_firmware | all |
| intel | xeon_6726p-b | all |
| intel | xeon_6728p_firmware | all |
| intel | xeon_6728p | all |
| intel | xeon_6730p_firmware | all |
| intel | xeon_6730p | all |
| intel | xeon_6731e_firmware | all |
| intel | xeon_6731e | all |
| intel | xeon_6731p_firmware | all |
| intel | xeon_6731p | all |
| intel | xeon_6732p_firmware | all |
| intel | xeon_6732p | all |
| intel | xeon_6736p_firmware | all |
| intel | xeon_6736p | all |
| intel | xeon_6737p_firmware | all |
| intel | xeon_6737p | all |
| intel | xeon_6738p_firmware | all |
| intel | xeon_6738p | all |
| intel | xeon_6740e_firmware | all |
| intel | xeon_6740e | all |
| intel | xeon_6740p_firmware | all |
| intel | xeon_6740p | all |
| intel | xeon_6741p_firmware | all |
| intel | xeon_6741p | all |
| intel | xeon_6745p_firmware | all |
| intel | xeon_6745p | all |
| intel | xeon_6746e_firmware | all |
| intel | xeon_6746e | all |
| intel | xeon_6747p_firmware | all |
| intel | xeon_6747p | all |
| intel | xeon_6748p_firmware | all |
| intel | xeon_6748p | all |
| intel | xeon_6756e_firmware | all |
| intel | xeon_6756e | all |
| intel | xeon_6756p-b_firmware | all |
| intel | xeon_6756p-b | all |
| intel | xeon_6760p_firmware | all |
| intel | xeon_6760p | all |
| intel | xeon_6761p_firmware | all |
| intel | xeon_6761p | all |
| intel | xeon_6766e_firmware | all |
| intel | xeon_6766e | all |
| intel | xeon_6766p-b_firmware | all |
| intel | xeon_6766p-b | all |
| intel | xeon_6767p_firmware | all |
| intel | xeon_6767p | all |
| intel | xeon_6768p_firmware | all |
| intel | xeon_6768p | all |
| intel | xeon_6768p-b_firmware | all |
| intel | xeon_6768p-b | all |
| intel | xeon_6774p_firmware | all |
| intel | xeon_6774p | all |
| intel | xeon_6776p_firmware | all |
| intel | xeon_6776p | all |
| intel | xeon_6776p-b_firmware | all |
| intel | xeon_6776p-b | all |
| intel | xeon_6780e_firmware | all |
| intel | xeon_6780e | all |
| intel | xeon_6781p_firmware | all |
| intel | xeon_6781p | all |
| intel | xeon_6787p_firmware | all |
| intel | xeon_6787p | all |
| intel | xeon_6788p_firmware | all |
| intel | xeon_6788p | all |
| intel | xeon_6944p_firmware | all |
| intel | xeon_6944p | all |
| intel | xeon_6952p_firmware | all |
| intel | xeon_6952p | all |
| intel | xeon_6960p_firmware | all |
| intel | xeon_6960p | all |
| intel | xeon_6962p_firmware | all |
| intel | xeon_6962p | all |
| intel | xeon_6972p_firmware | all |
| intel | xeon_6972p | all |
| intel | xeon_6978p_firmware | all |
| intel | xeon_6978p | all |
| intel | xeon_6979p_firmware | all |
| intel | xeon_6979p | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.087%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Intel Corporation · Vendor · USA |
| Reserved | 2025-12-09T04:00:18 |
| Published | 2026-08-11T16:25:27 |
| Last Updated | 2026-08-12T15:50:38 |
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