CVE-2021-24030

9.8 criticalEPSS 1.8%

Critical (9.8) in facebook gameroom. EPSS 1.8% chance of exploitation in the next 30 days.

The fbgames protocol handler registered as part of Facebook Gameroom does not properly quote arguments passed to the executable. That allows a malicious URL to cause code execution. This issue affects versions prior to v1.26.0.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-88
Published: 2021-03-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

facebook:gameroom

References

https://www.facebook.com/security/advisories/cve-2021-24030
https://www.facebook.com/security/advisories/cve-2021-24030

Check your stack JSON