CVE-2026-45454
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CSIRTS triage
- What
- Improper limitation of a pathname allows an authorized attacker to execute code.
- Who is affected
- Authorized users of Microsoft Office SharePoint are affected.
- Urgency
- Remediation is urgent due to the potential for remote code execution.
- Action
- Apply the latest security patch for Microsoft SharePoint.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk1.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 73% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2026-45454: Microsoft SharePoint Remote Code Execution Vulnerabilitymsrc · 2026-06-09
External references
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