CVE-2026-20716
High
Description
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.
SeverityHigh
CVSS7.0
Exploit probability—
ProductIntel Xeon 634 Firmware
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-284Improper access control
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| intel xeon_634_firmware | No range specified | — |
| intel xeon_636_firmware | No range specified | — |
| intel xeon_638_firmware | No range specified | — |
| intel xeon_654_firmware | No range specified | — |
| intel xeon_656_firmware | No range specified | — |
| intel xeon_658x_firmware | No range specified | — |
| intel xeon_674x_firmware | No range specified | — |
| intel xeon_676x_firmware | No range specified | — |
| intel xeon_678x_firmware | No range specified | — |
| intel xeon_696x_firmware | No range specified | — |
| intel xeon_698x_firmware | No range specified | — |
| intel xeon_6315p_firmware | No range specified | — |
| intel xeon_6325p_firmware | No range specified | — |
| intel xeon_6333p_firmware | No range specified | — |
| intel xeon_6337p_firmware | No range specified | — |
| intel xeon_6349p_firmware | No range specified | — |
| intel xeon_6353p_firmware | No range specified | — |
| intel xeon_6357p_firmware | No range specified | — |
| intel xeon_6369p_firmware | No range specified | — |
| intel xeon_6377p_firmware | No range specified | — |
| intel xeon_6503p_firmware | No range specified | — |
| intel xeon_6503p-b_firmware | No range specified | — |
| intel xeon_6505p_firmware | No range specified | — |
| intel xeon_6507p_firmware | No range specified | — |
| intel xeon_6511p_firmware | No range specified | — |
| intel xeon_6513p-b_firmware | No range specified | — |
| intel xeon_6515p_firmware | No range specified | — |
| intel xeon_6516p-b_firmware | No range specified | — |
| intel xeon_6517p_firmware | No range specified | — |
| intel xeon_6518p-b_firmware | No range specified | — |
| intel xeon_6520p_firmware | No range specified | — |
| intel xeon_6521p_firmware | No range specified | — |
| intel xeon_6523p-b_firmware | No range specified | — |
| intel xeon_6527p_firmware | No range specified | — |
| intel xeon_6530p_firmware | No range specified | — |
| intel xeon_6532p-b_firmware | No range specified | — |
| intel xeon_6533p-b_firmware | No range specified | — |
| intel xeon_6543p-b_firmware | No range specified | — |
| intel xeon_6544p-b_firmware | No range specified | — |
| intel xeon_6546p-b_firmware | No range specified | — |
| intel xeon_6548p-b_firmware | No range specified | — |
| intel xeon_6553p-b_firmware | No range specified | — |
| intel xeon_6556p-b_firmware | No range specified | — |
| intel xeon_6563p-b_firmware | No range specified | — |
| intel xeon_6706p-b_firmware | No range specified | — |
| intel xeon_6710e_firmware | No range specified | — |
| intel xeon_6714p_firmware | No range specified | — |
| intel xeon_6716p-b_firmware | No range specified | — |
| intel xeon_6718p-b_firmware | No range specified | — |
| intel xeon_6724p_firmware | No range specified | — |
| intel xeon_6725p_firmware | No range specified | — |
| intel xeon_6726p-b_firmware | No range specified | — |
| intel xeon_6728p_firmware | No range specified | — |
| intel xeon_6730p_firmware | No range specified | — |
| intel xeon_6731e_firmware | No range specified | — |
| intel xeon_6731p_firmware | No range specified | — |
| intel xeon_6732p_firmware | No range specified | — |
| intel xeon_6736p_firmware | No range specified | — |
| intel xeon_6737p_firmware | No range specified | — |
| intel xeon_6738p_firmware | No range specified | — |
| intel xeon_6740e_firmware | No range specified | — |
| intel xeon_6740p_firmware | No range specified | — |
| intel xeon_6741p_firmware | No range specified | — |
| intel xeon_6745p_firmware | No range specified | — |
| intel xeon_6746e_firmware | No range specified | — |
| intel xeon_6747p_firmware | No range specified | — |
| intel xeon_6748p_firmware | No range specified | — |
| intel xeon_6756e_firmware | No range specified | — |
| intel xeon_6756p-b_firmware | No range specified | — |
| intel xeon_6760p_firmware | No range specified | — |
| intel xeon_6761p_firmware | No range specified | — |
| intel xeon_6766e_firmware | No range specified | — |
| intel xeon_6766p-b_firmware | No range specified | — |
| intel xeon_6767p_firmware | No range specified | — |
| intel xeon_6768p_firmware | No range specified | — |
| intel xeon_6768p-b_firmware | No range specified | — |
| intel xeon_6774p_firmware | No range specified | — |
| intel xeon_6776p_firmware | No range specified | — |
| intel xeon_6776p-b_firmware | No range specified | — |
| intel xeon_6780e_firmware | No range specified | — |
| intel xeon_6781p_firmware | No range specified | — |
| intel xeon_6787p_firmware | No range specified | — |
| intel xeon_6788p_firmware | No range specified | — |
| intel xeon_6944p_firmware | No range specified | — |
| intel xeon_6952p_firmware | No range specified | — |
| intel xeon_6960p_firmware | No range specified | — |
| intel xeon_6962p_firmware | No range specified | — |
| intel xeon_6972p_firmware | No range specified | — |
| intel xeon_6978p_firmware | No range specified | — |
| intel xeon_6979p_firmware | No range specified | — |
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