CVE-2026-63520 PUBLISHED

Microsoft SharePoint Server Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 16.07.2026 Published: 11.08.2026 Updated: 12.08.2026

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 8.1

Product Status

Vendor Microsoft
Product Microsoft SharePoint Enterprise Server 2016
Versions
  • affected from 16.0.0 to 16.0.5565.1001 (excl.)
Vendor Microsoft
Product Microsoft SharePoint Server 2019
Versions
  • affected from 16.0.0 to 16.0.10417.20198 (excl.)
Vendor Microsoft
Product Microsoft SharePoint Server Subscription Edition
Versions
  • affected from 16.0.0 to 16.0.19725.20522 (excl.)

References

Problem Types