CyberSecurity News

CISA Warns of Actively Exploited Microsoft SharePoint Vulnerability

SecurityWeek

· July 2, 2026

AI summary

CISA has issued a warning about a vulnerability in Microsoft SharePoint that is being actively exploited by threat actors. The vulnerability, which allows for remote code execution, was recently patched. It is identified by the CVE ID CVE-2026-45659. Threat actors are currently taking advantage of this vulnerability.

Vulnerabilities mentioned

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Read the full article at SecurityWeekwww.securityweek.com/cisa-warns-of-actively-exploited-microsoft-sharepoint-vulnerability/

This is an AI-generated brief aggregated by HackerFeeds for convenience and grounded in the source’s own summary; the related CVE, threat-group and country data is from HackerFeeds’ own indexes. The original article is the authoritative source — all rights belong to SecurityWeek.