CVE-2026-87696EPSS p30.1%

CVE-2026-87696CVE-2026-87696

Description

Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.38% probability of exploitation · percentile 30.1% · 2026-10-14T12:00:24Z
Last modified2026-10-14
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.