CVE-2026-32203

high Microsoft
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
EPSS Score
1.6%
Exploitation probability in 30 days
Top 28% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: April 14, 2026 (86 days ago)
Last Modified: June 30, 2026
Vendor: Microsoft
Source: MITRE

Description

Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.

CWE

CWE-121

Affected Products

Microsoft .NET 10.0Microsoft .NET 8.0Microsoft .NET 9.0Microsoft Microsoft Visual Studio 2022 version 17.12Microsoft Microsoft Visual Studio 2022 version 17.14Microsoft Microsoft Visual Studio 2026 version 18.4

References

🔗 msrc.microsoft.com