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Known exploited vulnerability

CVE-2025-62215

highCVSS 3.1 7.0In CISA KEVEPSS 4.5%Published · Microsoft

The short answer

CVE-2025-62215 affects Microsoft Windows 10 Version 1809 and is rated high (CVSS 7.0). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-11-12: attackers are using it, so patch it first.

What it is

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.

Weakness: CWE-362, CWE-415.

Severity

7.0 high

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

Exploited (CISA KEV)

Yes, since Nov 12, 2025

Federal due date Dec 3, 2025

EPSS, next 30 days

4.5%

Higher than 92% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected products

Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows 11 Version 25H2, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022, 23H2 Edition (Server Core installation), Windows Server 2025. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2025-62215 being exploited?

Yes. CISA added CVE-2025-62215 to its Known Exploited Vulnerabilities catalog on 2025-11-12, with a federal remediation due date of 2025-12-03.

How do I fix CVE-2025-62215?

CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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