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Vulnerability details

CVE-2026-70299

Microsoft Windows 11Microsoft Windows Server

Windows Bind Filter Driver Elevation of Privilege Vulnerability

CVSS 3.1
8.8High

Official description

Improper access control in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.

CVSS scores

ScoreVersionSourceVector
8.8High 3.1 CVEProject cvelistV5 (CNA) (microsoft) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersionsSource
Microsoft Windows 11 version 23H2 10.0.22631.0 ≤ v < 10.0.22631.7652 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 version 23H2 10.0.22631.0 ≤ v < 10.0.22631.7652 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2025 10.0.26100.0 ≤ v < 10.0.26100.33650 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ≤ v < 10.0.26100.33650 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-13
Last updated
2026-10-31
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

0.33%
Probability of exploitation in 30 days
27.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-863
    Incorrect Authorization