Double Free in Microsoft Windows 10 Version 1809

CVE-2025-62215

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

Vulnerability class: Race Condition

EPSS: 0.024 (85.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

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.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-62215?
CVE-2025-62215 is a high-severity vulnerability in Microsoft Windows 10 Version 1809, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2025-11-11.
How severe is CVE-2025-62215?
High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2025-62215 known to be exploited?
Yes. CVE-2025-62215 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-11-12), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.