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October 10, 2026

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CVE-2025-53778NVD

Vulnerability Summary

Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.
Severity Level
HIGH(8.8)
Published Date
Aug 12, 2025
Last Modified
Aug 15, 2025
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-287: Improper Authentication ↗
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVSS v3.1 Base Metrics — Score 8.8 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Microsoft Windows 10 1507 < 10.0.10240.21100
  • Microsoft Windows 10 1607 < 10.0.14393.8330
  • Microsoft Windows 10 1809 < 10.0.17763.7678
  • Microsoft Windows 10 21h2 < 10.0.19044.6216
  • Microsoft Windows 10 22h2 < 10.0.19045.6216
  • Microsoft Windows 11 22h2 < 10.0.22621.5768
  • Microsoft Windows 11 23h2 < 10.0.22631.5768
  • Microsoft Windows 11 24h2 < 10.0.26100.4851
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2016 < 10.0.14393.8330
  • Microsoft Windows Server 2019 < 10.0.17763.7678
  • Microsoft Windows Server 2022 < 10.0.20348.3989
  • Microsoft Windows Server 2022 23h2 < 10.0.25398.1791
  • Microsoft Windows Server 2025 < 10.0.26100.4851
Patched Versions
  • Microsoft Windows 10 1507 10.0.10240.21100
  • Microsoft Windows 10 1607 10.0.14393.8330
  • Microsoft Windows 10 1809 10.0.17763.7678
  • Microsoft Windows 10 21h2 10.0.19044.6216
  • Microsoft Windows 10 22h2 10.0.19045.6216
  • Microsoft Windows 11 22h2 10.0.22621.5768
  • Microsoft Windows 11 23h2 10.0.22631.5768
  • Microsoft Windows 11 24h2 10.0.26100.4851
  • Microsoft Windows Server 2016 10.0.14393.8330
  • Microsoft Windows Server 2019 10.0.17763.7678
  • Microsoft Windows Server 2022 10.0.20348.3989
  • Microsoft Windows Server 2022 23h2 10.0.25398.1791
  • Microsoft Windows Server 2025 10.0.26100.4851
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🚫Ad-Free — Uninterrupted experience.
🎁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