CVE-2020-36991

8.5 highEPSS 0.2%

High (8.5). EPSS 0.2% chance of exploitation in the next 30 days.

ShareMouse 5.0.43 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the insecure service path configuration by placing malicious executables in specific system directories to gain elevated access during service startup.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
CWE: CWE-428
Published: 2026-01-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.exploit-db.com/exploits/48794
https://www.sharemouse.com/
https://www.vulncheck.com/advisories/sharemouse-sharemouse-service-unquoted-service-path

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