What is CVE-2022-36934?

CVE-2022-36934 is a critical-severity vulnerability in Meta Whatsapp Business For Android, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-09-22.

How severe is CVE-2022-36934?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-36934 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Meta Whatsapp Business For Android

CVE-2022-36934

An integer overflow in WhatsApp could result in remote code execution in an established video call.

Vulnerability class: Buffer Overflow

Published 2022-09-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (84.2th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.025 · change: +0.000

Affected products

Meta Whatsapp Business For Android — versions unspecified
Meta Whatsapp Business For iOS — versions unspecified
Meta Whatsapp For Android — versions unspecified
Meta Whatsapp For iOS — versions unspecified
Whatsapp
Whatsapp Business

Weakness classification (CWE)

Public proof-of-concept exploits

References

www.whatsapp.com/security/advisories/2022/ (Vendor Advisory)

Frequently asked questions

What is CVE-2022-36934?: CVE-2022-36934 is a critical-severity vulnerability in Meta Whatsapp Business For Android, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-09-22.
How severe is CVE-2022-36934?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-36934 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.