CVE-2021-3146: The Dolby Audio X2 (DAX2) API service before 0.8.8.90 on Windows allows local users to gain privileges.
CVE-2021-3146 is a high-severity flaw (CVSS 7.8) affecting audio x2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Dolby Audio X2 (DAX2) API service before 0.8.8.90 on Windows allows local users to gain privileges.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-426 |
| Published | 2021-04-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-3146?
audio x2: upgrade to 0.8.8.90. Exact commands for each OS are on this page.
Is CVE-2021-3146 being exploited?
CVE-2021-3146 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-3146 affect?
CVE-2021-3146 affects audio x2. Severity is high (CVSS 7.8). The Dolby Audio X2 (DAX2) API service before 0.8.8.90 on Windows allows local users to gain privileges.
How urgent is CVE-2021-3146?
Priority 37/100. High severity