---
id: "CVE-2025-62215"
kind: "vulnerability"
aliases: ["CVE-2025-62215"]
title: "Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows\u2026"
severity: "high"
cvss: 7.0
epss: null
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Microsoft Windows", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "microsoft windows 10 1809", "fixed": ["10.0.17763.8027"], "affected": "< 10.0.17763.8027", "ecosystem": "vendor"}, {"name": "microsoft windows 10 21h2", "fixed": ["10.0.19044.6575"], "affected": "< 10.0.19044.6575", "ecosystem": "vendor"}, {"name": "microsoft windows 10 22h2", "fixed": ["10.0.19045.6575"], "affected": "< 10.0.19045.6575", "ecosystem": "vendor"}, {"name": "microsoft windows 11 23h2", "fixed": ["10.0.22631.6199"], "affected": "< 10.0.22631.6199", "ecosystem": "vendor"}, {"name": "microsoft windows 11 24h2", "fixed": ["10.0.26100.7092"], "affected": "< 10.0.26100.7092", "ecosystem": "vendor"}, {"name": "microsoft windows 11 25h2", "fixed": ["10.0.26200.7092"], "affected": "< 10.0.26200.7092", "ecosystem": "vendor"}, {"name": "microsoft windows server 2019", "fixed": ["10.0.17763.8027"], "affected": "< 10.0.17763.8027", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022", "fixed": ["10.0.20348.4346"], "affected": "< 10.0.20348.4346", "ecosystem": "vendor"}, {"name": "microsoft windows server 2022 23h2", "fixed": ["10.0.25398.1965"], "affected": "< 10.0.25398.1965", "ecosystem": "vendor"}, {"name": "microsoft windows server 2025", "fixed": ["10.0.26100.7092"], "affected": "< 10.0.26100.7092", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "infrastructure", "windows", "windows-kernel"]
not_affected_if: []
published_at: "2025-11-11T18:15:48+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T23:44:51+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-62215", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62215", "first_seen_at": "2026-10-23T23:44:51+00:00"}]
---

# Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows…

A race condition in the Windows kernel lets a local user with low privileges escalate to SYSTEM. CISA lists it as actively exploited in the wild.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Microsoft Windows affected ? fixed ?
- vendor:microsoft windows 10 1809 affected < 10.0.17763.8027 fixed 10.0.17763.8027
- vendor:microsoft windows 10 21h2 affected < 10.0.19044.6575 fixed 10.0.19044.6575
- vendor:microsoft windows 10 22h2 affected < 10.0.19045.6575 fixed 10.0.19045.6575
- vendor:microsoft windows 11 23h2 affected < 10.0.22631.6199 fixed 10.0.22631.6199
- vendor:microsoft windows 11 24h2 affected < 10.0.26100.7092 fixed 10.0.26100.7092
- vendor:microsoft windows 11 25h2 affected < 10.0.26200.7092 fixed 10.0.26200.7092
- vendor:microsoft windows server 2019 affected < 10.0.17763.8027 fixed 10.0.17763.8027
- vendor:microsoft windows server 2022 affected < 10.0.20348.4346 fixed 10.0.20348.4346
- vendor:microsoft windows server 2022 23h2 affected < 10.0.25398.1965 fixed 10.0.25398.1965
- vendor:microsoft windows server 2025 affected < 10.0.26100.7092 fixed 10.0.26100.7092

## Fix

Apply the Microsoft security update for CVE-2025-62215 per vendor instructions; the sources do not name the patched build.
If no mitigation is available, CISA says to discontinue use of the product.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-62215
- 2026-10-23T23:44:51+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2025-62215

## From the sources

Microsoft Windows Kernel contains a race condition vulnerability that allows a local attacker with low-level privileges to escalate privileges. Successful exploitation of this vulnerability could enable the attacker to gain SYSTEM-level access.

CISA 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.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_