# CVE-2026-58641

## Summary

- **CVE ID:** CVE-2026-58641
- **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-190
- **Published:** Aug 11, 2026
- **Last Modified:** Sep 16, 2026

## Description

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

## Affected Products

- Microsoft — .NET 10.0 (10.0.0)
- Microsoft — .NET 8.0 (8.0.0)
- Microsoft — .NET 9.0 (9.0.0)
- Microsoft — SkiaSharp (4.151.2)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58641)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 34.3

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