Meta Platforms known exploited vulnerabilities
CISA's Known Exploited Vulnerabilities catalog lists 3 Meta Platforms vulnerabilities: 0 added in the last 365 days, 1 rated critical (CVSS 9 or higher), and 0 with known ransomware use. The most recent was added Sep 2, 2025.
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| Added to KEV | CVE | Vulnerability | CVSS | EPSS | Federal due date | Ransomware use |
|---|---|---|---|---|---|---|
| 2025-09-02 | CVE-2025-55177 | Meta Platforms WhatsApp Incorrect Authorization Vulnerability | 5.4 (v3.1) | 13.1% | 2025-09-23 | Unknown |
| 2022-05-23 | CVE-2019-18426 | WhatsApp Cross-Site Scripting Vulnerability | 8.2 (v3.1) | 67.9% | 2022-06-13 | Unknown |
| 2022-04-19 | CVE-2019-3568 | WhatsApp VOIP Stack Buffer Overflow Vulnerability | 9.8 (v3.1) | 30.1% | 2022-05-10 | Unknown |