# CVE-2026-65810

## Summary

- **CVE ID:** CVE-2026-65810
- **Severity:** HIGH
- **CVSS Score:** 7.8 (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)
- **CWE:** CWE-23
- **Published:** Aug 11, 2026
- **Last Modified:** Sep 16, 2026

## Description

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

## Affected Products

- Microsoft — Microsoft .NET Framework 3.5 (3.5.0)
- Microsoft — Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 (3.0.0.0)
- Microsoft — Microsoft .NET Framework 3.5 AND 4.7.2 (4.7.0)
- Microsoft — Microsoft .NET Framework 3.5 AND 4.8 (4.8.0)
- Microsoft — Microsoft .NET Framework 3.5 AND 4.8.1 (4.8.1)
- Microsoft — Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 (4.7.0)
- Microsoft — Microsoft .NET Framework 4.8 (4.8.0)
- Microsoft — Microsoft .NET Framework 4.8.1 (4.8.0.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65810)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._