CVE-2026-77910EPSS p54.6%

CVE-2026-77910CVE-2026-77910

Description

Incorrect authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.77% probability of exploitation · percentile 54.6% · 2026-10-17T12:00:28Z
Last modified2026-10-14
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.