What is CVE-2022-27492?

CVE-2022-27492 is a high-severity vulnerability in Meta Whatsapp Business For Android, classified under Integer Underflow. CVSS score: 7.8/10. Published 2022-09-23.

How severe is CVE-2022-27492?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-27492 known to be exploited?

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

Integer overflow in Meta Whatsapp Business For Android

CVE-2022-27492

An integer underflow in WhatsApp could have caused remote code execution when receiving a crafted video file.

Published 2022-09-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.4th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · 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

Weakness classification (CWE)

CWE-191 — Integer Underflow

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2022-27492?: CVE-2022-27492 is a high-severity vulnerability in Meta Whatsapp Business For Android, classified under Integer Underflow. CVSS score: 7.8/10. Published 2022-09-23.
How severe is CVE-2022-27492?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-27492 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.