CVE-2026-23563 — MEDIUM (5.7)

Q: How severe is CVE-2026-23563?

CVE-2026-23563 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-23563?

Check the references section above for vendor advisories and patch information. Affected products include: Teamviewer Digital Employee Experience, Microsoft Windows.

Vulnerability Description

Improper Link Resolution Before File Access (invoked by 1E‑Explorer‑TachyonCore‑DeleteFileByPath instruction) in TeamViewer DEX - 1E Client before version 26.1 on Windows allows a low‑privileged local attacker to delete protected system files via a crafted RPC control junction or symlink that is followed when the delete instruction executes.

CVSS Score

5.7

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Teamviewer	Digital Employee Experience	< 26.1
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-59

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-Vendor Advisory

FAQ

What is CVE-2026-23563?

CVE-2026-23563 is a vulnerability with a CVSS score of 5.7 (MEDIUM). Improper Link Resolution Before File Access (invoked by 1E‑Explorer‑TachyonCore‑DeleteFileByPath instruction) in TeamViewer DEX - 1E Client before version 26.1 on Windows allows a low‑privileged local...

How severe is CVE-2026-23563?

CVE-2026-23563 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-23563?

Check the references section above for vendor advisories and patch information. Affected products include: Teamviewer Digital Employee Experience, Microsoft Windows.