Meta Platforms WhatsApp known exploited vulnerabilities
We track 3 CVEs in Meta Platforms WhatsApp. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2022–2025). The most recent is CVE-2025-55177, added to KEV on .
- CVEs tracked
- 3
- On CISA KEV
- 3
- Ransomware use
- 0
- Rated critical
- 1
Every Meta Platforms WhatsApp CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2025-55177 Meta Platforms WhatsApp Incorrect Authorization Vulnerability | [ MEDIUM ] | 5.4 | 4.7% | ||
| CVE-2019-18426 WhatsApp Cross-Site Scripting Vulnerability | [ HIGH ] | 8.2 | 67.9% | ||
| CVE-2019-3568 WhatsApp VOIP Stack Buffer Overflow Vulnerability | [ CRITICAL ] | 9.8 | 30.1% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/meta-platforms.json.
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.