CVE-2025-21191 - Vulnerability Details - OpenCVE

Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21191

History

Tue, 08 Apr 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 08 Apr 2025 17:30:00 +0000

Type	Values Removed	Values Added
Description		Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.
Title		Windows Local Security Authority (LSA) Elevation of Privilege Vulnerability
Weaknesses		CWE-367
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21191
Metrics		cvssV3_1 `{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-04-08T17:23:36.840Z

Updated: 2025-04-16T00:41:36.427Z

Reserved: 2024-12-05T21:43:30.766Z

Link: CVE-2025-21191

Vulnrichment

Updated: 2025-04-08T20:05:05.234Z

NVD

Status : Awaiting Analysis

Published: 2025-04-08T18:15:44.857

Modified: 2025-04-09T20:03:01.577

Link: CVE-2025-21191

Redhat

No data.

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