CVE-2021-41526

高危 7.8CVE-2021-41526 · Published 29/03/2023 · updated 17/06/2026

要点

CVE-2021-41526 是影响 revenera installshield (flexera) 的高危 (CVSS 7.8)漏洞。
未来 30 天内被利用的概率（EPSS）：0.28%，高于 20.6% 的漏洞。
修复：升级到 2021 或更高版本。

Package	Affected versions	Patched versions
revenera installshield flexera	`= 2021< 2021`	`2021`

Description

A vulnerability has been reported in the windows installer (MSI) built with InstallScript custom action. This vulnerability may allow privilege escalation when invoked ‘repair’ of the MSI which has an InstallScript custom action.

References

seclists.org/fulldisclosure/2024/Apr/24
community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message · Vendor Advisory
mandiant/Vulnerability-Disclosures · Third Party Advisory

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