CVE-2026-32177

Published: May 12, 2026

Modified: Jun 5, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

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

Vendor	Product	Versions
Microsoft	.NET 10.0	affected `10.0.0 - < 10.0.8`
Microsoft	.NET 8.0	affected `8.0.0 - < 8.0.27`
Microsoft	.NET 9.0	affected `9.0.0 - < 9.0.16`
Microsoft	Microsoft .NET Framework 3.5	affected `3.5.0 - < 4.8.9334.0 and 4.8.4802.0`
Microsoft	Microsoft .NET Framework 3.5 AND 4.7.2	affected `4.7.0 - < 4.8.9334.0 and 4.8.4802.0`
Microsoft	Microsoft .NET Framework 3.5 AND 4.8	affected `4.8.0 - < 4.8.9334.0 and 4.8.4802.0`
Microsoft	Microsoft .NET Framework 3.5 AND 4.8.1	affected `4.8.1 - < 4.8.9334.0 and 4.8.4802.0`
Microsoft	Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	affected `4.7.0 - < 4.8.9334.0 and 4.8.4802.0`
Microsoft	Microsoft .NET Framework 4.8	affected `4.8.0 - < 4.8.9334.0 and 4.8.4802.0`
Microsoft	Microsoft Visual Studio 2022 version 17.12	affected `17.12.0 - < 17.12.20`
Microsoft	Microsoft Visual Studio 2022 version 17.14	affected `17.14.0 - < 17.14.32`
Microsoft	Microsoft Visual Studio 2026 version 18.5	affected `18.5.0 - < 18.5.3`

CVSS v3.1 Vector

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 Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

vendor-advisory

patch

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