CVE-2026-69380CWE-862broken-access-control

CVE-2026-69380

High · published September 8, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
52.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00689 · 52.2th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-08T22:18Z
Affected products (4)
ProductVersionsFixed in
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_server_subscription_edition< 15.02.2562.04915.02.2562.049
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69380 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:17Z
    EPSS moved — → 1%
    epss
  • 08 SEP 17:12Z
    Microsoft Exchange Server Elevation of Privilege Vulnerability
    cvelistv5