SecuriTricks - CVE-2026-0539

Description

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.

Product(s) Impacted

Vendor	Product	Versions
Pcvisit	Pcvisit Service	<22.6.22.1329, 25.12.3.1745

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-276

Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	pcvisit	pcvisit_service	<22.6.22.1329	/	/	/	/	/	/	/
a	pcvisit	pcvisit_service	25.12.3.1745	/	/	/	/	/	/	/

References

https://labs.infoguard.ch/advisories/cve-2026-0539_pcvisit_local-privilege-escalation/

https://www.pcvisit.de/kundenbereich/release-notes

CVSS Score

8.5 / 10

CVSS Data - 4.0

Attack Vector: LOCAL
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: LOW
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: April 22, 2026, 2:16 p.m.
Last Modified: April 22, 2026, 9:23 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-0539