Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-c494-m2fq-59mx Microsoft Security Advisory CVE-2026-62898 – .NET Information Disclosure Vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 14 Aug 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft microsoft Visual Studio 2022
Microsoft microsoft Visual Studio 2026
Vendors & Products Microsoft microsoft Visual Studio 2022
Microsoft microsoft Visual Studio 2026

Tue, 11 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 11 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Description Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Title Microsoft QUIC Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft .net
Microsoft visual Studio 2022
Microsoft visual Studio 2026
Weaknesses CWE-416
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net
Microsoft visual Studio 2022
Microsoft visual Studio 2026
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-21T23:09:58.681Z

Reserved: 2026-07-14T21:25:21.035Z

Link: CVE-2026-62898

cve-icon Vulnrichment

Updated: 2026-08-11T17:47:42.798Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-11T17:18:43.993

Modified: 2026-08-14T15:16:38.827

Link: CVE-2026-62898

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-14T12:30:26Z

Weaknesses