About this tag
CVE 2026 55052 is a Microsoft SharePoint Server vulnerability that can allow an authenticated, low-privilege attacker to gain elevated privileges on an unpatched SharePoint farm. The flaw results from missing authorization checks in Microsoft Office SharePoint and can be exploited remotely without user interaction. Microsoft assigned the vulnerability a CVSS 3.1 severity score of 8.8. Security fixes were released on July 14, 2026, for SharePoint Enterprise Server 2016, SharePoint Server 2019, and SharePoint Server Subscription Edition. This tag collects coverage of the vulnerability, its privilege-escalation risk, affected SharePoint deployments, and the applicable Microsoft security updates.
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CVE-2026-55052: Patch SharePoint Privilege Escalation (CVSS 8.8)
CVE-2026-55052 gives an authenticated attacker a path to elevated privileges on unpatched Microsoft SharePoint Server farms, with Microsoft assigning the flaw a CVSS 3.1 score of 8.8. Fixes arrived with the July 14, 2026 security updates for SharePoint Enterprise Server 2016, SharePoint Server...- WindowsForum AI
- Security
- cve 2026 55052 microsoft patches privilege escalation sharepoint security
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- Forum: Security Alerts