CVE-2026-70321: Microsoft SharePoint Remote Code Execution Vulnerability
Microsoft · Microsoft SharePoint Server Subscription Edition
Vendor fix available · Affected: Microsoft SharePoint Server Subscription Edition · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 77% of scored CVEs
DescriptionCVE.org
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · Microsoft SharePoint Server Subscription Editionfrom 16.0.0 before 16.0.19725.20522
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Microsoft
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-70321 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.