CVE-2026-123973

Vulnerability in SharePoint Products CopyMove For SharePoint V6

CVSS score

5.0

EPSS probability

—

Risk score

0.5

Published

9 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach AI Explanation

Verified against sources

CVE-2026-123973: SharePoint Products CopyMove Path Traversal Vulnerability

Sources read

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A path traversal vulnerability exists in SharePoint Products ApS CopyMove for SharePoint 2019 and CopyMove for SharePoint V6 affecting the ZIP import functionality [S0]. An authenticated user can supply a crafted ZIP archive to cause files to be written outside the intended directory [S0].

Why does it matter?

This vulnerability allows an authorized user to manipulate file write operations in a way that compromises file integrity on the system [S0].

What should be done?

Follow the vendor advisory [S0]

Chain of evidence and sources2 verified claims

SharePoint Products CopyMove for SharePoint 2019 ve CopyMove for SharePoint V6 sürümlerinde yol atlaması zafiyeti bulunmaktadır [S0].

S0 · daybreach-canonical S1 · cvelist

Zafiyet, kimliği doğrulanmış bir kullanıcının özel bir ZIP arşivi sağlaması yoluyla istismar edilebilir [S0].

S0 · daybreach-canonical S1 · cvelist

Show the technical text from the sources

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.

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

CWE: CWE-23

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-123973 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	SharePoint Products	CopyMove for SharePoint V6	View
2	SharePoint Products	CopyMove for SharePoint 2019	View

Total affected vendors: 1|Products: 2

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
5.0	CVSS V3_1	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N	CVE CNA
5.0	CVSS V31	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N	NVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-123973 is associated with the following CWEs:

CWE-23: Common Weakness Enumeration Entry CWE-23

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-123973 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim

PermissionsLow

UserGerekiyor

Official Sources and Advisories

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

CVSS Vector Radar Chart

5.0 / 10

Vulnerability Scoring Details

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

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow privileges

User Interaction—

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)High

Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

SharePoint Products

Weakness Type (CWE & CAPEC)

CWE-23

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

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