High severity7.3NVD Advisory· Published Jun 9, 2026· Updated Jun 10, 2026
CVE-2026-47634
CVE-2026-47634
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
3cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*range: <16.0.19725.20384
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47634nvdVendor Advisory
News mentions
6- Microsoft Patch Tuesday for June 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · Jun 9, 2026
- Patch Tuesday - June 2026Rapid7 Blog · Jun 9, 2026
- Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flawsBleepingComputer · Jun 9, 2026
- Microsoft June 2026 Patch Tuesday fixes 6 zero-days, 200 flawsBleepingComputer · Jun 9, 2026
- Microsoft Patch Tuesday June 2026 – 198 Vulnerabilities Fixed, Including 3 Zero-daysCyber Security News · Jun 9, 2026
- Microsoft SharePoint: 21 Vulnerabilities Disclosed in June Patch TuesdayVypr Intelligence · Jun 9, 2026