CVE-2026-55021
NVD data not available for this CVE. It may be pending analysis or not yet published.
Related Intelligence (2)
CRITICALZero Day
Patch Tuesday - July 2026
Microsoft is publishing 622 vulnerabilities on July 2026 Patch Tuesday , including a record-breaking 416 Windows vulnerabilities. Microsoft is aware of exploitation in the wild for two of the vulnerabilities published today, both of which are listed on CISA KEV, as well as public disclosure for one other. As usual, browser vulns are not included in the Patch Tuesday count above. Rapid7 noted last
CVE-2026-55040CVE-2026-56164
Rapid7
HIGHVulnerability
NVD HIGH: CVE-2026-55021 — Improper neutralization of input during web page generation ('cross-site scripti...
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.
CVE-2026-55021
NIST NVD