VulnerabilityDeferred

CVE-2025-7619

BatchSignCS, a background Windows application developed by WellChoose, has an Arbitrary File Write vulnerability.

HIGH 8.7EPSS 0.77%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

BatchSignCS, a background Windows application developed by WellChoose, has an Arbitrary File Write vulnerability. If a user visits a malicious website while the application is running, remote attackers can write arbitrary files to any path and potentially lead to arbitrary code execution.

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/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/M
EPSS: 0.77% probability · 54th percentile
CISA KEV: Not listed
Weakness: CWE-23
Source: twcert@cert.org.tw

References

https://www.twcert.org.tw/en/cp-139-10240-00f86-2.html
https://www.twcert.org.tw/tw/cp-132-10239-770ab-1.html

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.