CVE-2026-69439
Medium
Elevated severity or exploit probability.
CVSS base
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.9%
56.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-122
Published 2026-09-08 · modified 2026-09-09
Description
Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.