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CVE-2026-62898

nvd nist
Published: Aug 11, 2026Modified: Aug 14, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability: 3.9 / Impact: 3.6
Source: secure@microsoft.com (Secondary)

Description

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

Affected (5)

Microsoft
3 products
Visual Studio 2022
Visual Studio 2026
.net
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Visual Studio 2022
From 17.14.0 to 17.14.38
Visual Studio 2026
From 18.8.0 to 18.8.3
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
.net
From 10.0.0 to 10.0.11
.net
From 8.0.0 to 8.0.30
.net
From 9.0.0 to 9.0.19

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (1)

Source: secure@microsoft.com
PatchVendor Advisory

Timeline

No history available yet.