SEPTEMBER 12, 2026
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Case File

CVE-2026-55034

HIGH · CVSS 7.3 EPSS 0.87%

Source: NVD + CISA KEV + EPSS · Published 2026-07-14 · Last synced 2026-08-13

CyberRota Analysis

AI-Generated

Microsoft Office SharePoint is vulnerable to cross-site scripting due to improper input neutralization during web page generation, allowing authorized attackers to execute spoofing attacks over the network. This high-severity vulnerability could lead to unauthorized access and manipulation of user data. Organizations using affected Microsoft products should prioritize remediation to protect against potential exploitation.

CVE
CVE-2026-55034
Severity
HIGH
CVSS
7.3
EPSS
0.87%
Microsoft SharePoint Office

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-87654 CRITICAL CVE-2026-87653 MEDIUM CVE-2026-87648 HIGH CVE-2026-87644 HIGH CVE-2026-87621 CRITICAL CVE-2026-87618 HIGH