CVE-2026-32177

high Microsoft
CVSS v3 Base Score
7.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
Low
Published: May 12, 2026 (1 days ago)
Last Modified: May 13, 2026
Vendor: Microsoft
Source: MITRE

Description

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

CWE

CWE-122

Affected Products

Microsoft .NET 10.0Microsoft .NET 8.0Microsoft .NET 9.0Microsoft Microsoft .NET Framework 3.5Microsoft Microsoft .NET Framework 3.5 AND 4.7.2Microsoft Microsoft .NET Framework 3.5 AND 4.8Microsoft Microsoft .NET Framework 3.5 AND 4.8.1Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Microsoft Microsoft .NET Framework 4.8Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)

References

🔗 msrc.microsoft.com