CVE-2026-65813HighCVSS 6.5
Microsoft Exchange Server Elevation of Privilege Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
🎯 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
KB5121573 (Security Update) — fixed build 15.02.2562.046 KB5121576 (Security Update) — fixed build 15.01.2507.072 KB5121574 (Security Update) — fixed build 15.02.1748.049 KB5121575 (Security Update) — fixed build 15.02.1544.044
🔗 References (6)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65813
- patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108785
- referencehttps://support.microsoft.com/help/5121573
- referencehttps://support.microsoft.com/help/5121576
- referencehttps://support.microsoft.com/help/5121574
- referencehttps://support.microsoft.com/help/5121575