CVE-2026-62827: Microsoft SharePoint Server Elevation of Privilege Vulnerability
Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Other sources
Microsoft SharePoint Server Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.19725.20522Patch KB5002893 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.5565.1001Patch KB5002906 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.10417.20198Patch KB5002896
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62827?
The severity of CVE-2026-62827 is high with a score of 8.8.
How can I fix CVE-2026-62827?
To fix CVE-2026-62827, apply the latest security updates provided by Microsoft for SharePoint Server.
What systems are affected by CVE-2026-62827?
CVE-2026-62827 affects Microsoft SharePoint Server, Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Enterprise Server 2016, and Microsoft SharePoint Server 2019.
What type of vulnerability is CVE-2026-62827?
CVE-2026-62827 is classified as an Elevation of Privilege vulnerability due to improper authentication.
What can attackers achieve by exploiting CVE-2026-62827?
By exploiting CVE-2026-62827, authorized attackers can elevate their privileges within the SharePoint Server environment.