CVE-2016-5198: Google Chromium V8 Out-of-Bounds Memory Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 8 Jun 2022, 1,966 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 34.2%
EPSS score, percentile 98.4 of all scored records
- How severe?
- 8.8 High
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
Required action (CISA), due 22 Jun 2022: Apply updates per vendor instructions.
- Which versions are affected?
Affected: Google Chrome prior to 54.0.2840.90 for Linux, and 54.0.2840.85 for Android, an…
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply updates per vendor instructions.
CISA due date for this action: 22 June 2022.
Advisories and patches
Linked from CISA's catalog entry
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | Google Chrome prior to 54.0.2840.90 for Linux, and 54.0.2840.85 for Android, an… |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
Google Chromium V8 Engine contains an out-of-bounds memory access vulnerability that allows a remote attacker to perform read/write operations, leading to code execution, via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2016-5198 to its Known Exploited Vulnerabilities (KEV) catalog on 8 Jun 2022.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 22 Jun 2022.
- The CVE record was published on 19 Jan 2017, 1,966 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 8.8 (High), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 34.2% (percentile 98.4), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
V8 in Google Chrome prior to 54.0.2840.90 for Linux, and 54.0.2840.85 for Android, and 54.0.2840.87 for Windows and Mac included incorrect optimisation assumptions, which allowed a remote attacker to perform arbitrary read/write operations, leading to code execution, via a crafted HTML page.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 19 Jan 2017 | CVE record published |
| 8 Jun 2022 | Added to CISA KEV |
| 22 Jun 2022 | CISA due date for the required action |
| 21 Oct 2025 | CVE record last updated |
References
More exploited Google vulnerabilities
- CVE-2026-111497: Google Brotli Unchecked Return Value Vulnerability
- CVE-2026-58704: Google Pixel Improper Authorization Vulnerability
- CVE-2026-87491: Google Chromium V8 Out of Bounds Write Vulnerability
- CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability
- CVE-2026-11645: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability
- CVE-2026-5281: Google Dawn Use-After-Free Vulnerability