CVE-2019-19954
Signal Desktop before 1.29.1 on Windows allows local users to gain privileges by creating a Trojan horse %SYSTEMDRIVE%\node_modules\.bin\wmic.exe file.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Signal Desktop before 1.29.1 on Windows allows local users to gain privileges by creating a Trojan horse %SYSTEMDRIVE%\node_modules\.bin\wmic.exe file.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.48% probability · 41th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- signal/signal-desktop
- Source
- cve@mitre.org
EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://blog.mirch.io/2019/12/18/signal-desktop-windows-lpe/Exploit, Patch, Third Party Advisory
- https://github.com/signalapp/Signal-Desktop/commit/2da39cca673cc11be3c6d70d4fb95889f9ab6688Patch
- https://blog.mirch.io/2019/12/18/signal-desktop-windows-lpe/Exploit, Patch, Third Party Advisory
- https://github.com/signalapp/Signal-Desktop/commit/2da39cca673cc11be3c6d70d4fb95889f9ab6688Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.