# CVE-2016-5198: Google Chromium V8 Out-of-Bounds Memory Vulnerability

Source: https://junglewise.ai/threats/cve-2016-5198-google-chromium-v8-out-of-bounds-memory-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-06-08. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2016-5198 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-06-08

The Google Chromium V8 engine contained incorrect optimization assumptions, leading to an out-of-bounds memory access vulnerability. A remote attacker could exploit this via a crafted HTML page to perform arbitrary read/write operations and execute arbitrary code.

Technologies: [Google Chromium V8](https://junglewise.ai/threats/technologies/chromium-v8). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2016-5198 exploited in the wild?** Yes. CVE-2016-5198 is known to be exploited in the wild, first recorded on 8 June 2022. Treat it as urgent.

**How severe is CVE-2016-5198?** Critical severity, with a CVSS score of 8.8, published 8 June 2022.

**Which products and versions are affected?** Google V8 prior to 54.0.2840.90 for Linux, 54.0.2840.85 for Android, and 54.0.2840.87 for Windows and Mac; Google Chrome prior to 54.0.2840.90 (Linux), 54.0.2840.85 (Android), 54.0.2840.87 (Windows/Mac).

**Is there a fix for CVE-2016-5198?** A patch was published on 2016-11-01: Stable channel update for desktop released to address the issue. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2016-5198 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2016-5198?** Check whether you run Google Chromium V8. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Google V8 prior to 54.0.2840.90 for Linux, 54.0.2840.85 for Android, and 54.0.2840.87 for Windows and Mac
- Google Chrome prior to 54.0.2840.90 (Linux), 54.0.2840.85 (Android), 54.0.2840.87 (Windows/Mac)

## Timeline

- 2016-11-01: patched: Stable channel update for desktop released to address the issue.
- 2022-06-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
- 2022-06-08: disclosed: NVD publication date.

## Related threats

- [Google Chromium V8 out-of-bounds write in JavaScript engine](https://junglewise.ai/threats/cve-2026-87491-google-chromium-v8-out-of-bounds-write-in-javascript-engine)
- [Google Chromium V8 type confusion vulnerability](https://junglewise.ai/threats/cve-2026-85046-google-chromium-v8-type-confusion-vulnerability)
- [Google Chrome V8 out of bounds read and write](https://junglewise.ai/threats/cve-2026-11645-google-chrome-v8-out-of-bounds-read-and-write)
- [Google Chromium V8 memory corruption in JavaScript engine](https://junglewise.ai/threats/cve-2026-3910-google-chromium-v8-memory-corruption-in-javascript-engine)
- [Google Chrome type confusion in V8 engine](https://junglewise.ai/threats/cve-2025-13223-google-chrome-type-confusion-in-v8-engine)