SECURELYN

CVE-2026-65660

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Scores

8.8
CVSS 8.8 out of 10, high severity.
2.1%
EPSS 2.1% chance of exploitation in the next 30 days.

The facts

Published
11 August 2026
Last changed
26 September 2026
NVD status
Analyzed
Severity
High, CVSS 8.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
Affects
  • microsoft sharepoint server
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 25 September 2026.
EPSS
2.1% chance of exploitation activity in the next 30 days (percentile 81).

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References