CVE-2026-69355CWE-73

CVE-2026-69355

High · published September 8, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
59.7
In the wild
Unconfirmed
What it is

External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00913 · 59.7th percentile
Weakness
CWE-73 · External Control of File Name or Path
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-2026-69355 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:17Z
    EPSS moved — → 1%
    epss
  • 08 SEP 17:12Z
    Microsoft Exchange Server Remote Code Execution Vulnerability
    cvelistv5