CVE-2021-47861

Event Log Explorer 4.9.3 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path by placing malicious executables in specific file system locations that will be executed with LocalSystem account privileges during service startup.

CVSS v4.0

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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.13% chance of exploitation in the next 30 days, 3th percentile

Published

2026-01-21

Updated

2026-03-05

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/49704

References

• CVE Record
• NVD entry

Related

• CVE-2021-47860
• CVE-2021-47862
• CVE-2021-47859
• CVE-2021-47863
• CVE-2021-47858
• CVE-2021-47864