CVE-2026-62912

EUVD-2026-56414
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 79.63%
Affected Products (NVD)
VendorProductVersion
microsoftexchange_server
𝑥
< 15.02.2562.046
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1748.49
microsoftexchange_server
15.1.0.0 ≤
𝑥
< 15.1.2507.72
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1544.44
𝑥
= Vulnerable software versions
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62912