Patch tracker / CVE reference / CVE-2026-40368
CVE-2026-40368
CVE-2026-40368 is a high severity Microsoft vulnerability with a CVSS score of 8.0. Its EPSS score puts the probability of exploitation in the next 30 days at 76%. Microsoft has shipped the fix: deploy one of the 3 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 76%. CVSS 8.0 (High).
This CVE is among the top 25% of tracked Microsoft CVEs by EPSS exploit probability.
One of several SharePoint Server remote code execution flaws disclosed in this period across 2016, 2019, and Subscription Edition, High Severity at CVSS 8.8 with EPSS at 3 percent. Repeated RCE findings in the same product line indicate sustained researcher attention on SharePoint's server-side processing, and history shows the gap between disclosure and mass exploitation there can be short. On-premises farms lack the automatic patching their cloud counterpart gets.
Do this: Fold this into a single SharePoint patching pass with the other current SharePoint CVEs rather than triaging each individually.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2026-40368
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Official patch(es) for CVE-2026-40368
High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5002863, KB5002868, KB5002870 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-2026-40368. 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.