HIGH 8.8 Microsoft ACTIVELY EXPLOITED
CVE-2026-65660
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft Security Update 2026-Aug: Microsoft SharePoint Server Remote Code Execution Vulnerability
Affected Products
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Server Subscription Edition
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660
- https://nvd.nist.gov/vuln/detail/CVE-2026-65660
This high severity vulnerability with a CVSS score of 8.8 was published on 2026-08-11 via Microsoft. ⚠ This vulnerability is in the CISA Known Exploited Vulnerabilities (KEV) catalog — it is being actively exploited in the wild. Affected: Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition.
Risk Timeline
CVE Disclosed2026-08-11 · 44 days ago
CISA KEV — Actively ExploitedU.S. federal agencies required to patch · confirmed threat-actor activity
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65660NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-65660Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2026-32186 | Microsoft Bing Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-33819 | Microsoft Bing Remote Code Execution Vulnerability | CRITICAL | 10.0 |
| CVE-2026-35431 | Microsoft Entra ID Entitlement Management Spoofing Vulnerability | CRITICAL | 10.0 |
| CVE-2026-63508 | Microsoft Planetary Computer Pro Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-65667 | Microsoft Teams Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-65801 | Microsoft Exchange Online Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
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