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PatchSiren cyber security CVE debrief

CVE-2026-108452 Microsoft CVE debrief

Microsoft Office SharePoint is vulnerable to path traversal, allowing an authorized attacker to execute code over a network. The CVE record was published on 2026-10-15T21:17:10.907Z and has not been modified since then. This vulnerability affects Microsoft Office SharePoint deployments, and defenders should assess exposure and potential impact. The path traversal vulnerability allows attackers to execute code remotely, emphasizing the need for immediate attention and mitigation. Verify exposure to Microsoft Office SharePoint and assess potential impact of path traversal vulnerability.

Vendor
Microsoft
Product
Microsoft SharePoint Server Subscription Edition
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-15
Original CVE updated
2026-10-16
Advisory published
2026-10-15
Advisory updated
2026-10-16

Who should care

Defenders responsible for Microsoft Office SharePoint deployments should assess exposure and potential impact. This includes verifying exposure to Microsoft Office SharePoint, assessing potential impact of path traversal vulnerability, and reviewing compensating controls for exposed systems while remediation is scheduled and verified. Security teams and vulnerability management teams should prioritize verifying and  

Why it matters

Defenders should prioritize verifying exposure and assessing potential impact of the path traversal vulnerability in Microsoft Office SharePoint.

  • Verify exposure to Microsoft Office SharePoint
  • Assess potential impact of path traversal vulnerability

Technical summary

Microsoft Office SharePoint is vulnerable to path traversal, allowing an authorized attacker to execute code over a network. This vulnerability is significant because it enables remote code execution, which can have severe operational impacts. Affected product deployments should be identified, and owners assigned for follow-up. Review official advisories or CVE records to validate affected scope, severity, and vendor guidance.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact.

Recommended defensive actions

  • Verify exposure to Microsoft Office SharePoint
  • Assess potential impact of path traversal vulnerability
  • Review and update defensive measures

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. The official CVE Program record and NVD detail page offer source-provided CVE metadata and source-specific vulnerability assessment. However, additional details about affected scope, severity, and vendor guidance are needed for comprehensive understanding. Defenders should verify exposure and assess potential impact based on available information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-108452 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-108452

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-108452 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-108452

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.