CVE-2026-69804 Microsoft Office SharePoint - Race Condition

Microsoft Office SharePoint contains a TOCTOU race condition caused by improper synchronization, letting authorized attackers execute code remotely over a network, exploit requires attacker authorization.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.51% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Race Condition
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-367

Vendor fix

Update to the latest version of Microsoft Office SharePoint.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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