Meta Platforms — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for Meta Platforms with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 3 Meta Platforms vulnerabilities confirmed as exploited in the wild across 1 product; none are currently flagged as used in known ransomware campaigns. All entries affect a single product: WhatsApp. CISA added 1 entry in 2025, compared with 0 in 2024. Across the 3 entries with an NVD CVSS score (100% of the total), the average score is 7.8; 1 entry is rated critical by NVD. The most recent addition is CVE-2025-55177 (Meta Platforms WhatsApp Incorrect Authorization Vulnerability), added on 2025-09-02.
Affected products
| Product | Entries | Share |
|---|---|---|
| 3 | 100% |
Entries added per year
By date added to the KEV catalog
Exploited Meta Platforms vulnerabilities (3)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2025-55177 | Meta Platforms WhatsApp Incorrect Authorization Vulnerability | 2025-09-02 | — | MEDIUM5.4 | |
| CVE-2019-18426 | WhatsApp Cross-Site Scripting Vulnerability | 2022-05-23 | — | HIGH8.2 | |
| CVE-2019-3568 | WhatsApp VOIP Stack Buffer Overflow Vulnerability | 2022-04-19 | — | CRITICAL9.8 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.