CVE-2025-53782

Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.4 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
8.4 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
VendorProductVersion
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1748.39
microsoftexchange_server
15.2.0.0 ≤
𝑥
< 15.2.1544.36
microsoftexchange_server
15.1.0.0 ≤
𝑥
< 15.1.2507.61
𝑥
= Vulnerable software versions
Vulnerability Media Exposure