SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2020-36977

Wondershare Driver Install Service contains an unquoted service path vulnerability in the ElevationService executable that allows local attackers to potentially inject malicious code.

HIGH 8.5EPSS 0.21%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Wondershare Driver Install Service contains an unquoted service path vulnerability in the ElevationService executable that allows local attackers to potentially inject malicious code. Attackers can exploit the unquoted path to replace the service binary with a malicious executable, enabling privilege escalation to LocalSystem account.

CVSS 4.0
8.5 HIGHCVSS: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/M
EPSS
0.21% probability · 11th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-428
Source
disclosure@vulncheck.com
EPSS trend
0%3%5%26 October 2026: 0.21%26 October 202626 October 2026

EPSS 0.2% 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.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.