CVE-2026-0539

Incorrect Default Permissions in pcvisit service binary on Windows allows a low-privileged local attacker to escalate their privileges by overwriting the service binary with arbitrary contents. This service binary is automatically launched with NT\SYSTEM privileges on boot. This issue affects all versions after 22.6.22.1329 and was fixed in 25.12.3.1745.

CVSS 4.0

8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS

0.1% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-10-26)

CWE

CWE-276

Published

2026-04-22

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://labs.infoguard.ch/advisories/cve-2026-0539_pcvisit_local-privilege-escalation/
• https://www.pcvisit.de/kundenbereich/release-notes

Check your stackJSON