CVE-2026-45454: medium-severity vulnerability in Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Remote Code Execution Vulnerability
Published · Updated
Follow this CVE+ Monitor Microsoft SharePoint Server+ Monitor Microsoft SharePoint Enterprise Server
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 1.6%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft SharePoint Enterprise Server 2016Microsoft · Microsoft SharePoint Server 2019Microsoft · Microsoft SharePoint Server Subscription EditionRelated CVEs — Microsoft SharePoint Enterprise Server 2016
In the same product, most dangerous first.
CVE-2025-53770CRITICALMicrosoft SharePoint Server Remote Code Execution VulnerabilityEPSS 100.0%KEVCVE-2025-49704HIGHMicrosoft SharePoint Remote Code Execution VulnerabilityEPSS 100.0%KEVCVE-2023-29357CRITICALMicrosoft SharePoint Server Elevation of Privilege VulnerabilityEPSS 100.0%KEVCVE-2025-49706MEDIUMMicrosoft SharePoint Server Spoofing VulnerabilityEPSS 99.1%KEVCVE-2023-24955HIGHMicrosoft SharePoint Server Remote Code Execution VulnerabilityEPSS 85.0%KEVCVE-2026-45659HIGHMicrosoft SharePoint Remote Code Execution VulnerabilityEPSS 80.2%KEV