CVE-2026-45584
Medium
Elevated severity or exploit probability.
CVSS base
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.7%
51.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-122
Published 2026-05-20 · modified 2026-07-23
Description
Heap-based buffer overflow in Microsoft Defender allows an unauthorized attacker to execute code over a network.