CVE-2025-53782HighCVSS 8.4
Microsoft Exchange Server Elevation of Privilege Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
🎯 Affected products4
- Microsoft Exchange Server 2016 Cumulative Update 23
- Microsoft Exchange Server 2019 Cumulative Update 14
- Microsoft Exchange Server 2019 Cumulative Update 15
- Microsoft Exchange Server Subscription Edition RTM
✅ Remediation
KB5066367 (Security Update) — fixed build 15.02.1748.039 KB5066368 (Security Update) — fixed build 15.02.1544.036 KB5066366 (Security Update) — fixed build 15.02.2562.029 KB5066369 (Security Update) — fixed build 15.01.2507.061
🔗 References (9)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53782
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108419
- referencehttps://support.microsoft.com/help/5066367
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108421
- referencehttps://support.microsoft.com/help/5066368
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108422
- referencehttps://support.microsoft.com/help/5066366
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108420
- referencehttps://support.microsoft.com/help/5066369