CVE-2026-45454

8.8 highEPSS 1.6%

High (8.8) in microsoft sharepoint server. EPSS 1.6% chance of exploitation in the next 30 days.

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2026-06-09
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

microsoft:sharepoint_server

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45454

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