What is the CVSS score of CVE-2025-21360?

CVE-2025-21360 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Autoupdate are affected by CVE-2025-21360?

CVE-2025-21360 presents notable security risk, a improper privilege management vulnerability rated CVSS 7.8.. A patch is available.

How to fix or mitigate CVE-2025-21360?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Autoupdate CVE-2025-21360

HIGH

Improper Privilege Management (CWE-269)

2025-01-14 secure@microsoft.com

Microsoft Privilege Escalation Autoupdate

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:03 vuln.today

Patch released

Mar 28, 2026 - 18:03 nvd

Patch available

CVE Published

Jan 14, 2025 - 18:16 nvd

HIGH 7.8

DescriptionCVE.org

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

AnalysisAI

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability Affected products include: Microsoft Autoupdate.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply principle of least privilege, validate privilege transitions, implement proper role separation.