CVE-2021-41526 Privilege escalation in n/a
Attackers can escalate privileges by triggering a repair operation on MSI packages using InstallScript custom actions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-41526?
CVE-2021-41526 is a high-severity vulnerability in n/a, published on 29 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-41526?
It affects 1 product.
Products include Flexera Revenera Installshield.
How do I fix CVE-2021-41526?
No fix has been published for CVE-2021-41526 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-41526 being exploited?
There is no known exploitation of CVE-2021-41526 in the wild and no public exploit code.
Sources
Also known as GHSA-q4jw-3mfc-r879.