PT-2026-58260

Name of the Vulnerable Software and Affected Versions Microsoft SharePoint Server affected versions not specified Microsoft SharePoint Server Subscription Edition affected versions not specified Microsoft SharePoint Enterprise Server affected versions not specified Description Missing...

PT-2026-58539

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description Improper neutralization of input during web page generation leads to a cross-site scripting issue, which allows an authorized attacker to perform spoofing over a network...

PT-2026-58555

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description A server-side request forgery SSRF issue exists in Microsoft Office SharePoint. This flaw allows an authorized attacker to disclose sensitive information over a network...

PT-2026-58639

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description Improper authorization allows an authorized attacker to elevate privileges over a network, enabling them to affect the system. Recommendations At the moment, there is no...

VulnCheck KEV: CVE-2026-56164

Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network...

Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability

Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network...

PT-2026-58525

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description Improper neutralization of input during web page generation leads to cross-site scripting, which allows an authorized attacker to perform spoofing over a network...

PT-2026-60599

Name of the Vulnerable Software and Affected Versions Microsoft SharePoint Server affected versions not specified Microsoft SharePoint Server Subscription Edition affected versions not specified Microsoft SharePoint Enterprise Server 2016 Description An issue exists due to improper neutralization...

PT-2026-58569

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description Improper neutralization of input during web page generation leads to a cross-site scripting issue, which allows an authorized attacker to perform spoofing over a network...

PT-2026-58524

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description Improper neutralization of input during web page generation leads to a cross-site scripting issue. This allows an authorized attacker to perform spoofing over a network,...

PT-2026-58045

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint affected versions not specified Description Weak authentication in the JWT token validation pipeline allows an unauthenticated remote attacker to bypass security features over a network. Successful exploitation...

CVE-2025-53828

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative privileges can use...

CVE-2025-53828

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative privileges can use...

CVE-2025-53828 SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative privileges can use...

CVE-2025-53828

CVE-2025-53828 describes a SSRF vulnerability in SharePoint for ownCloud prior to 0.4.1 (affecting ownCloud 10 prior to 10.15.3). An attacker with administrative privileges can trigger SSRF to execute arbitrary code on the system. The fixed version is SharePoint for ownCloud 0.4.1, delivered with...

PT-2026-55939

Name of the Vulnerable Software and Affected Versions SharePoint for ownCloud versions prior to 0.4.1 ownCloud 10 versions prior to 10.15.3 Description An attacker with administrative privileges can exploit a Server-Side Request Forgery SSRF in the SharePoint app to execute arbitrary code on the...

SharePoint RCE CVE-2026-45659 Added to CISA KEV After Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Wednesday added a high-severity flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-45659 CVSS score: 8.8, is...

VulnCheck KEV: CVE-2026-45659

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

Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint Server contains a deserialization of untrusted data vulnerability which allows an authorized attacker to execute code over a network...

How to Identify and Repair Files That Cannot Be Opened After Restore

Updated for Veeam Backup for Microsoft 365 8.6 This article has been updated to document new Integrity Check capabilities included with Veeam Backup for Microsoft 365 8.6. The integrity check can now process JET-based repositories and immutable repositories. Customers who ran an Integrity Check...