Is there a public exploit for CVE-2026-123973?

No public exploit for CVE-2026-123973 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-123973?

CVE-2026-123973 scores CVSS 5 (v3.1), rated medium.

What does CVE-2026-123973 affect?

CVE-2026-123973 affects SharePoint Products CopyMove for SharePoint 2019, CopyMove for SharePoint V6.

5.0 Medium

SharePoint Products CopyMove before 2026-11-06 allows traversal.

CVE-2026-123973

SharePoint Products CopyMove before 2026-11-06 allows traversal. An authenticated SharePoint user with the necessary permissions to use the ZIP import functionality may exploit a path traversal vulnerability in CopyMove for SharePoint 2019 and CopyMove for SharePoint V6 by supplying a crafted ZIP archive. A path traversal vulnerability in the ZIP import functionality of SharePoint Products ApS CopyMove for SharePoint 2019 and CopyMove for SharePoint V6 allows a user with access to the ZIP import functionality to supply a crafted ZIP archive containing malicious entry paths. During extraction, these paths may cause files to be written outside the intended extraction directory. The issue has been addressed by implementing ZIP archive entry path validation to prevent extraction outside the designated directory.

Assessment

CVSS: 5 (v3.1)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 6 November 2026
Last updated: 6 November 2026
Affected: SharePoint Products · CopyMove for SharePoint 2019 · CopyMove for SharePoint V6
Assigner: mitre

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

At the source

EUVD (ENISA)

References

https://www.sharepointproducts.com/security/advisories/zip-slip-2026

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