CVE-2026-65660High· 8.8▾ Abyssal⚠ Exploited in the wildPoC availableImproper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 48.4 · likelihood 1.6 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.8%
Federal remediation due Sep 28, 2026
2 GitHub repos
Last analysed / modified upstream
0.8% → 8.2%
Added to the CISA catalog on Sep 25, 2026. Federal remediation due Sep 28, 2026. View catalog ↗
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
sharepoint_server < 16.0.19725.20522sharepoint_server = 2016sharepoint_server = 2019Upgrade past the affected range:
sharepoint_server 16.0.19725.20522Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-58644Critical· 9.8Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
CVE-2026-102863High· 8.8Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2025-53770Critical· 9.8Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing…
CVE-2026-45659High· 8.8Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2023-3519Critical· 9.8Unauthenticated remote code execution
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