The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."
CVE-2016-3260
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 20.4%, top 4% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 97.5%
- KEV
- Not listed
Published
July 13, 2016
Last Modified
May 6, 2026
Advisory Details (3)
Auto-updated May 10, 2026Microsoft Security Bulletin MS16-085 - Critical | Microsoft Learn
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-085Microsoft Security Bulletin MS16-084 - Critical | Microsoft Learn
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-084Affected Packages
(1 across 1 ecosystem)
NuGet(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| Microsoft.ChakraCore | — | 1.2.0.0 | — |
Data Freshness Timeline
(refreshed 8× in last 7d / 37× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2016-3260?
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Dependency Blast Radius
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