CVE-2026-62826
A remote, authenticated attacker can exploit a vulnerability in Microsoft SharePoint and Microsoft SharePoint Server to carry out a Cross-Site Scripting attack.
CSIRTS triage
- What
- A vulnerability allows a remote, authenticated attacker to carry out a Cross-Site Scripting attack.
- Who is affected
- Deployments of Microsoft SharePoint and SharePoint Server.
- Urgency
- Remediation is medium due to the potential for exploitation by authenticated users.
- Action
- Apply the latest security updates for SharePoint and SharePoint Server.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all EPSS-scored CVEs.
Advisory coverage (4)
- medium[NEW] [medium] Microsoft SharePoint and SharePoint Server: Vulnerability allows Cross-Site Scriptingcert-bund · 2026-07-17
- unknownMultiple vulnerabilities in Microsoft products (July 17, 2026)cert-fr-avis · 2026-07-17
- mediumCVE-2026-62826: Improper neutralization of input during web page generation ('cross-site scripting') in Micros…nvd · 2026-07-16
- mediumCVE-2026-62826: Microsoft SharePoint Server Spoofing Vulnerabilitymsrc · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-62826)