CVE-2026-62898
Microsoft QUIC Information Disclosure Vulnerability
At a glance
- Severity
- HIGH 7.5
- EPSS
- EPSS 1.03 % · percentile 63 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Analyzed
Description
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Scores
| Version | Score | Vector | Scored by |
|---|
| CVSS 3.1 | HIGH 7.5 | 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 | microsoft |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · secure@microsoft.com (Secondary) |
Weaknesses (CWE)
Advisories
- GHSA-c494-m2fq-59mx — Microsoft Security Advisory CVE-2026-62898 – .NET Information Disclosure Vulnerability
European references
CERT-FR advisories
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* ≥ 17.14.0 < 17.14.38cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:* ≥ 18.8.0 < 18.8.3cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 8.0.0 < 8.0.30cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.19cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 10.0.0 < 10.0.11
Affected products
References
Sources
