CVE-2026-62912CWE-502insecure-deserialization

CVE-2026-62912

Medium · published August 11, 2026

CVSS v3.1
6.5
EPSS
2%
Percentile
80.4
In the wild
Unconfirmed
What it is

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01976 · 80.4th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-08-11T21:18Z
Affected products (38)
ProductVersionsFixed in
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_serverall versions—
microsoft/exchange_server_subscription_edition< 15.02.2562.04615.02.2562.046
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62912 · [email protected]
EPSS history
Timeline
  • 11 AUG 17:04Z
    Microsoft Exchange Server Denial of Service Vulnerability
    cvelistv5