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-2026-45467
MEDIUMPre-NVD 4.64.6—
EchelonGraph scoreHIGH confidence
Score 4.6 from GitHub Security Advisory published 2026-06-09. the CNA's CVSS baseline 4.6; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
4.6
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.6Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.6
- EG Score
- 4.6(high)
- EPSS
- 39.5%
- KEV
- Not listed
Published
June 9, 2026
Last Modified
July 1, 2026
Advisory Details (1)
Auto-updated Jun 13, 2026Patch available. Sources: microsoft.
microsoft Patch Available
Security Update Guide - Microsoft Security Response Center
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45467Vendor Advisories for CVE-2026-45467(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Frequently asked(5)
What is CVE-2026-45467?
CVE-2026-45467 is a medium vulnerability published on June 9, 2026. 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.
When was CVE-2026-45467 disclosed?
CVE-2026-45467 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45467 actively exploited?
CVE-2026-45467 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45467?
CVE-2026-45467 has a CVSS v4.0 base score of 4.6 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-45467?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45467, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-45467
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