CVE-2026-20716

Published Aug 11, 2026

Last updated 2 months ago

Overview

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.
Source
secure@intel.com
NVD status
Analyzed
Products
xeon_634_firmware, xeon_636_firmware, xeon_638_firmware, xeon_654_firmware, xeon_656_firmware, xeon_658x_firmware, xeon_674x_firmware, xeon_676x_firmware, xeon_678x_firmware, xeon_696x_firmware, xeon_698x_firmware, xeon_6315p_firmware, xeon_6325p_firmware, xeon_6333p_firmware, xeon_6337p_firmware, xeon_6349p_firmware, xeon_6353p_firmware, xeon_6357p_firmware, xeon_6369p_firmware, xeon_6377p_firmware, xeon_6503p_firmware, xeon_6503p-b_firmware, xeon_6505p_firmware, xeon_6507p_firmware, xeon_6511p_firmware, xeon_6513p-b_firmware, xeon_6515p_firmware, xeon_6516p-b_firmware, xeon_6517p_firmware, xeon_6518p-b_firmware, xeon_6520p_firmware, xeon_6521p_firmware, xeon_6523p-b_firmware, xeon_6527p_firmware, xeon_6530p_firmware, xeon_6532p-b_firmware, xeon_6533p-b_firmware, xeon_6543p-b_firmware, xeon_6544p-b_firmware, xeon_6546p-b_firmware, xeon_6548p-b_firmware, xeon_6553p-b_firmware, xeon_6556p-b_firmware, xeon_6563p-b_firmware, xeon_6706p-b_firmware, xeon_6710e_firmware, xeon_6714p_firmware, xeon_6716p-b_firmware, xeon_6718p-b_firmware, xeon_6724p_firmware, xeon_6725p_firmware, xeon_6726p-b_firmware, xeon_6728p_firmware, xeon_6730p_firmware, xeon_6731e_firmware, xeon_6731p_firmware, xeon_6732p_firmware, xeon_6736p_firmware, xeon_6737p_firmware, xeon_6738p_firmware, xeon_6740e_firmware, xeon_6740p_firmware, xeon_6741p_firmware, xeon_6745p_firmware, xeon_6746e_firmware, xeon_6747p_firmware, xeon_6748p_firmware, xeon_6756e_firmware, xeon_6756p-b_firmware, xeon_6760p_firmware, xeon_6761p_firmware, xeon_6766e_firmware, xeon_6766p-b_firmware, xeon_6767p_firmware, xeon_6768p_firmware, xeon_6768p-b_firmware, xeon_6774p_firmware, xeon_6776p_firmware, xeon_6776p-b_firmware, xeon_6780e_firmware, xeon_6781p_firmware, xeon_6787p_firmware, xeon_6788p_firmware, xeon_6944p_firmware, xeon_6952p_firmware, xeon_6960p_firmware, xeon_6962p_firmware, xeon_6972p_firmware, xeon_6978p_firmware, xeon_6979p_firmware

Risk scores

CVSS 4.0

Type
Secondary
Base score
7.2
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
HIGH

CVSS 3.1

Type
Primary
Base score
7
Impact score
5.9
Exploitability score
1
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@intel.com
CWE-284
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-284

Social media

Hype score
Not currently trending

Configurations