What is the CVSS score of CVE-2025-63945?

CVE-2025-63945 has a CVSS 3.1 base score of 7.4 (High). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Windows are affected by CVE-2025-63945?

A privilege escalation vulnerability in Tencent iOA (Windows) allows local users to gain elevated system access, potentially compromising sensitive data and system integrity.

Is there a public PoC exploit available for CVE-2025-63945?

Yes, a public proof-of-concept exploit is available for CVE-2025-63945. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-63945?

Within 24 hours: Inventory all Windows devices running Tencent iOA and identify high-risk systems (admin workstations, data centers). Within 7 days: Implement application whitelisting and restrict local admin access where feasible; disable iOA if business-critical functionality permits. Within 30 days: Monitor Tencent security advisories for patch availability and establish a deployment plan; consider alternative endpoint solutions if patch timeline extends beyond 60 days.

Windows CVE-2025-63945

HIGH

Improper Link Resolution Before File Access (CWE-59)

2026-02-23 cve@mitre.org

Windows Privilege Escalation Race Condition Ioa

7.4

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 26, 2026 - 16:31 vuln.today

Public exploit code

CVE Published

Feb 23, 2026 - 20:28 nvd

HIGH 7.4

DescriptionNVD

A privilege escalation (PE) vulnerability in the Tencent iOA app thru 210.9.28693.621001 on Windows devices enables a local user to execute programs with elevated privileges. However, execution requires that the local user is able to successfully exploit a race condition.

AnalysisAI

Technical ContextAI

Classified as CWE-59 (Improper Link Resolution Before File Access). Affects Ioa. A privilege escalation (PE) vulnerability in the Tencent iOA app thru 210.9.28693.621001 on Windows devices enables a local user to execute programs with elevated privileges. However, execution requires that the local user is able to successfully exploit a race condition.

RemediationAI

Monitor vendor advisories for a patch.

CVE-2025-63945 vulnerability details – vuln.today

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Windows CVE-2025-63945

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code