Use After Free in Microsoft Visual Studio 2022 Version 17.14
CVE-2026-62898
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.010 · change: -0.001
Affected products
- Microsoft Visual Studio 2022 Version 17.14 — versions 17.14.0
- Microsoft Visual Studio 2026 Version 18.8 — versions 18.0
- Microsoft .Net
- Microsoft .Net 10.0 — versions 10.0.0
- Microsoft .Net 8.0 — versions 8.0.0
- Microsoft .Net 9.0 — versions 9.0.0
- Microsoft Visual Studio 2022
- Microsoft Visual Studio 2026
Weakness classification (CWE)
References
- Microsoft QUIC Information Disclosure Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-62898?
- CVE-2026-62898 is a high-severity vulnerability in Microsoft Visual Studio 2022 Version 17.14, classified under Use After Free. CVSS score: 7.5/10. Published 2026-08-11.
- How severe is CVE-2026-62898?
- High severity. CVSS v3 base score is 7.5 out of 10.