CVE-2021-47859 ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path
Local attackers can execute arbitrary code and escalate privileges by exploiting an unquoted service path in ActivIdentity.
- 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-2021-47859?
CVE-2021-47859 is a high-severity vulnerability in HID Global ActivIdentity, published on 21 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path in C:\Program Files\Common Files\ActivIdentity\ to inject malicious executables and escalate privileges.
Weakness: CWE-428
Which versions are affected by CVE-2021-47859?
How do I fix CVE-2021-47859?
No fix has been published for CVE-2021-47859 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47859 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47859 exists.
Sources
Also known as GHSA-ccm5-r6jv-m624.