CVE-2026-85790

Published Oct 13, 2026

Last updated 4 days ago

Overview

Description
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
windows_11_23h2, windows_11_24h2, windows_11_25h2, windows_11_26h1, windows_11_26h2, windows_server_2022, windows_server_2025, native.quic.msquic.schannel, visual_studio_2022, visual_studio_2026

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.9
Impact score
3.6
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

secure@microsoft.com
CWE-416

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.