September 27, 2026

CVE Watchtower

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CVE-2025-55224NVD

Vulnerability Summary

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
Severity Level
HIGH(7.8)
Published Date
Sep 9, 2025
Last Modified
Sep 12, 2025
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-362: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CWE-416: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 7.8 (HIGH)
Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Microsoft Windows 10 1809 < 10.0.17763.7792
  • Microsoft Windows 10 21h2 < 10.0.19044.6332
  • Microsoft Windows 10 22h2 < 10.0.19045.6332
  • Microsoft Windows 11 22h2 < 10.0.22621.5909
  • Microsoft Windows 11 23h2 < 10.0.22631.5909
  • Microsoft Windows 11 24h2 < 10.0.26100.6508
  • Microsoft Windows Server 2019 < 10.0.17763.7792
  • Microsoft Windows Server 2022 < 10.0.20348.4106
  • Microsoft Windows Server 2022 23h2 < 10.0.25398.1849
  • Microsoft Windows Server 2025 < 10.0.26100.6508
Patched Versions
  • Microsoft Windows 10 1809 10.0.17763.7792
  • Microsoft Windows 10 21h2 10.0.19044.6332
  • Microsoft Windows 10 22h2 10.0.19045.6332
  • Microsoft Windows 11 22h2 10.0.22621.5909
  • Microsoft Windows 11 23h2 10.0.22631.5909
  • Microsoft Windows 11 24h2 10.0.26100.6508
  • Microsoft Windows Server 2019 10.0.17763.7792
  • Microsoft Windows Server 2022 10.0.20348.4106
  • Microsoft Windows Server 2022 23h2 10.0.25398.1849
  • Microsoft Windows Server 2025 10.0.26100.6508
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References