PoC Index

CVE-2021-41379

KEV RANSOMWAREHIGH 7.8EPSS 19.4%

Windows Installer Elevation of Privilege Vulnerability

CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS
19.38% chance of exploitation in the next 30 days, 97th percentile
CISA KEV
added 2022-03-03, used in ransomware campaigns
Published
2021-11-10
Updated
2026-08-19

Proof-of-concept exploits (1)

References

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