Patch tracker / CVE reference / CVE-2025-25005
CVE-2025-25005
CVE-2025-25005 is a medium severity Microsoft vulnerability with a CVSS score of 6.5. Microsoft has shipped the fix: deploy one of the 4 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
Risk summary
Not in the CISA KEV catalog. EPSS exploit probability 1.3%. CVSS 6.5 (Medium).
This CVE is among the lower half of tracked Microsoft CVEs by EPSS exploit probability.
This tampering vulnerability affects on premises Exchange Server across three specific cumulative update levels, so organizations need to confirm which CU their Exchange servers are actually running before assuming they are covered. A 1 percent EPSS score is very low, among the lowest in this list, despite the High 7.5 severity rating.
Do this: Check the exact cumulative update level on each Exchange server against the three CUs named in the advisory before considering this patched.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2025-25005
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Official patch(es) for CVE-2025-25005
Lower priority: patch in your normal cycle. In Intune or Defender, confirm whether the fixing updates KB5063221, KB5063222, KB5063223, KB5063224 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.
Apply the Microsoft security updates below to fix CVE-2025-25005. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.
Scope and sources
- Affected products
- Fixed by the same updates
- Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.