September 25, 2026

CVE Watchtower

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CVE-2026-77493NVD

Vulnerability Summary

Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
Severity Level
CRITICAL(9.8)
Published Date
Sep 8, 2026
Last Modified
Sep 24, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.97%Probability
Root Weakness (CWE)
CWE-415: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Microsoft Windows 10 1607 < 10.0.14393.9512
  • Microsoft Windows 10 1809 < 10.0.17763.9245
  • Microsoft Windows 10 21h2 < 10.0.19044.7725
  • Microsoft Windows 10 22h2 < 10.0.19045.7725
  • Microsoft Windows 11 23h2 < 10.0.22631.7582
  • Microsoft Windows 11 24h2 < 10.0.26100.9445
  • Microsoft Windows 11 25h2 < 10.0.26200.9445
  • Microsoft Windows 11 26h1 < 10.0.28000.2954
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2016 < 10.0.14393.9512
  • Microsoft Windows Server 2019 < 10.0.17763.9245
  • Microsoft Windows Server 2022 < 10.0.20348.5622
  • Microsoft Windows Server 2025 < 10.0.26100.33438
Patched Versions
  • Microsoft Windows 10 1607 10.0.14393.9512
  • Microsoft Windows 10 1809 10.0.17763.9245
  • Microsoft Windows 10 21h2 10.0.19044.7725
  • Microsoft Windows 10 22h2 10.0.19045.7725
  • Microsoft Windows 11 23h2 10.0.22631.7582
  • Microsoft Windows 11 24h2 10.0.26100.9445
  • Microsoft Windows 11 25h2 10.0.26200.9445
  • Microsoft Windows 11 26h1 10.0.28000.2954
  • Microsoft Windows Server 2016 10.0.14393.9512
  • Microsoft Windows Server 2019 10.0.17763.9245
  • Microsoft Windows Server 2022 10.0.20348.5622
  • Microsoft Windows Server 2025 10.0.26100.33438
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📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
🚫Ad-Free — Uninterrupted experience.

External References