CVE-2016-3202
CVE-2016-3202 is a high-severity vulnerability in Microsoft Chakra Javascript with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.6
- EPSS exploit prediction: 17% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Microsoft Chakra Javascript
- Published:
- Last modified:
Description
The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, 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."
Frequently asked questions
- What is CVE-2016-3202?
- The Microsoft (1) Chakra JavaScript, (2) JScript, and (3) VBScript engines, as used in Microsoft Internet Explorer 10 and 11 and Microsoft Edge, 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."
- How severe is CVE-2016-3202?
- CVE-2016-3202 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-3202 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-3202?
- CVE-2016-3202 primarily affects Microsoft Chakra Javascript. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-3202?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-3202 published?
- CVE-2016-3202 was published on 2016-06-16 and last updated on 2026-06-17.
References
- http://www.securitytracker.com/id/1036096
- http://www.securitytracker.com/id/1036099
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-063
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-068
Affected products (3)
- cpe:2.3:a:microsoft:chakra_javascript:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:jscript:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:vbscript:*:*:*:*:*:*:*:*
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