CVE-2026-69375

EUVD-2026-73127
Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering 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:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 50.27%
Affected Products (NVD)
VendorProductVersion
microsoftexchange_server
𝑥
< 15.02.2562.049
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1748.51
microsoftexchange_server
15.1.0.0 ≤
𝑥
< 15.1.2507.73
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1544.46
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69375