CVE-2026-70326: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft SharePoint Server Subscription Edition
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-70326) is classified as CWE-918 (Server-Side Request Forgery) affecting Microsoft SharePoint Server Subscription Edition version 16.0.0. It enables an attacker with authorized access to cause the server to make unintended requests, potentially leading to privilege escalation over the network. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this issue.
Potential Impact
An authorized attacker exploiting this SSRF vulnerability can elevate their privileges on the network, potentially gaining unauthorized access or control over resources. The impact includes high confidentiality, integrity, and availability consequences as indicated by the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70326 to remediate this vulnerability.
CVE-2026-70326: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft SharePoint Server Subscription Edition
Description
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-70326) is classified as CWE-918 (Server-Side Request Forgery) affecting Microsoft SharePoint Server Subscription Edition version 16.0.0. It enables an attacker with authorized access to cause the server to make unintended requests, potentially leading to privilege escalation over the network. The CVSS 3.1 base score is 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this issue.
Potential Impact
An authorized attacker exploiting this SSRF vulnerability can elevate their privileges on the network, potentially gaining unauthorized access or control over resources. The impact includes high confidentiality, integrity, and availability consequences as indicated by the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70326 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-04T00:01:20.934Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70326","vendor":"Microsoft"}]
Threat ID: 6a7b583fbf8831d5391567b7
Added to database: 08/11/2026, 17:13:35 UTC
Last enriched: 08/11/2026, 17:31:18 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 2
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