CVE-2026-69439
Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.8
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- EPSS probability
- 0.74%
- CWE
- CWE-122
- Published
- 2026-09-08
- Last modified
- 2026-09-16
Affected products
- Microsoft .NET 10.0
- Microsoft .NET 11.0
- Microsoft .NET 8.0
- Microsoft .NET 9.0
- Microsoft Microsoft Visual Studio 2022 version 17.14
- Microsoft Microsoft Visual Studio 2026 version 18.9
Weakness type
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