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Vulnerability details

CVE-2026-65810

Microsoft .NET FrameworkMicrosoft .NET Framework AND

.NET Framework Elevation of Privilege Vulnerability

CVSS 3.1
7.8High

Official description

Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.

CVSS scores

ScoreVersionSourceVector
7.8High 3.1 CVEProject cvelistV5 (CNA) (microsoft) CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersionsSource
Microsoft Microsoft .NET Framework 3.5 3.5.0 ≤ v < 2.0.50727.9183 & 3.0.30729.9169 CVEProject cvelistV5 (CNA)
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 ≤ v < 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 CVEProject cvelistV5 (CNA)
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 ≤ v < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 CVEProject cvelistV5 (CNA)
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 ≤ v < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 CVEProject cvelistV5 (CNA)
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 ≤ v < 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 CVEProject cvelistV5 (CNA)
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 ≤ v < 4.7.4144.0 CVEProject cvelistV5 (CNA)
Microsoft Microsoft .NET Framework 4.8 4.8.0 ≤ v < 4.8.4805.0 CVEProject cvelistV5 (CNA)
Microsoft Microsoft .NET Framework 4.8.1 4.8.0.0 ≤ v < 4.8.9344.0 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-08-11
Last updated
2026-10-30
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

0.4%
Probability of exploitation in 30 days
34.9%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-23
    Relative Path Traversal