High severity7.3NVD Advisory· Published Aug 11, 2026· Updated Aug 11, 2026
CVE-2026-64900
CVE-2026-64900
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
2- Microsoft's August 2026 Patch Tuesday Addresses 398 CVEs (CVE-2026-68820)Tenable Blog · Aug 11, 2026
- Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Aug 11, 2026