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CVE-2025-35973: Escalation of Privilege in Intel(R) Processors

0
Medium
VulnerabilityCVE-2025-35973cvecve-2025-35973
Published: 08/11/2026 (08/11/2026, 16:28:25 UTC)
Source: CVE Database V5
Product: Intel(R) Processors

Description

CVE-2025-35973 is a medium severity escalation of privilege vulnerability affecting certain Intel(R) Processors. It involves improper handling of values within Ring 0 (Kernel, Hypervisor, Bare Metal OS) that may allow a privileged local user to escalate privileges. Exploitation requires high complexity, special internal knowledge, and no user interaction. The vulnerability may initially impact confidentiality and integrity at a low level but can lead to higher confidentiality and integrity impacts subsequently. No availability impact is expected. No patch or official remediation guidance is currently confirmed.

CVSS v4.0

Score 4.5medium

Attack Vector
Local
Attack Complexity
High
Attack Requirements
Present
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
None
Subsq. Confidentiality
High
Subsq. Integrity
High
Subsq. Availability
None
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/12/2026, 00:28:43 UTC

Technical Analysis

This vulnerability in Intel(R) Processors arises from improper handling of certain values within Ring 0 components such as the Kernel, Hypervisor, and Bare Metal OS. An authorized adversary with privileged user access and high complexity attack capabilities, combined with special internal knowledge, may exploit this flaw locally without user interaction to escalate privileges. The initial impact on confidentiality and integrity is low, but it may lead to higher confidentiality and integrity impacts later. The vulnerability does not affect system availability. There is no vendor advisory or patch information available at this time.

Potential Impact

The vulnerability allows a local privileged user to escalate privileges under conditions requiring high attack complexity and special internal knowledge. Initial impacts on confidentiality and integrity are low, but subsequent impacts on system confidentiality and integrity can be high. Availability is not affected. No known exploits are reported in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation recommendations have been provided by the vendor at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
intel
Date Reserved
2025-04-15T21:26:10.348Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7b5466bf8831d53910681c

Added to database: 08/11/2026, 16:57:10 UTC

Last enriched: 08/12/2026, 00:28:43 UTC

Last updated: 08/12/2026, 00:28:43 UTC

Views: 3

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