Vulnerability · Published Jan 21, 2026 · Assigned by VulnCheck
CVE-2021-47859ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in ActivIdentity from HID Global. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 95.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HID Global | ActivIdentity | 8.2 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-49703 exploit
- HID Global Official Website product
- VulnCheck Advisory: ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path third-party-advisory