CVE-2016-3296

HIGHNVD 7.57.5—

7.5

The Chakra JavaScript engine in Microsoft Edge allows remote attackers to execute arbitrary code via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 96.1%
KEV: Not listed

Published

August 9, 2016

Last Modified

May 6, 2026

References (6)

secure@microsofthttp://www.securityfocus.com/bid/92283
secure@microsofthttp://www.securitytracker.com/id/1036569
secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-096
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/92283
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1036569
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-096

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
nuget	Microsoft.ChakraCore	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

NuGet(1)

Package	Vulnerable range	Fixed in	Dependents
Microsoft.ChakraCore	1.2.0	—	—

Data Freshness Timeline

(refreshed 10× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-22 19:03 UTCEG score recompute
2026-05-22 19:03 UTCGHSA enrichment
2026-05-21 22:40 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-18 21:30 UTCepss_batch
2026-05-18 21:30 UTCepss_batch

Frequently asked(5)

What is CVE-2016-3296?

CVE-2016-3296 is a high vulnerability published on August 9, 2016. The Chakra JavaScript engine in Microsoft Edge allows remote attackers to execute arbitrary code via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

When was CVE-2016-3296 disclosed?

CVE-2016-3296 was first published in the National Vulnerability Database on August 9, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-3296 actively exploited?

CVE-2016-3296 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-3296?

CVE-2016-3296 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2016-3296?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3296, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2016-3296

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