CVE-2016-7200
CVE-2016-7200 is a high-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-28). The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 7.6
- EPSS exploit prediction: 82% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-03-28)
- EU (EUVD) id: EUVD-2022-2667
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-28)
- Weakness: CWE-787
- Affected product: Microsoft Edge
- Published:
- Last modified:
Description
The Chakra JavaScript scripting engine in Microsoft Edge allows 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," a different vulnerability than CVE-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
Frequently asked questions
- What is CVE-2016-7200?
- The Chakra JavaScript scripting engine in Microsoft Edge allows 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," a different vulnerability than CVE-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
- How severe is CVE-2016-7200?
- CVE-2016-7200 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-7200 being actively exploited?
- Yes. CVE-2016-7200 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2016-7200?
- CVE-2016-7200 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-7200?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2016-7200 have an EU (EUVD) identifier?
- Yes. CVE-2016-7200 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-2667. It is also flagged as exploited in the EUVD (since 2022-03-28).
- When was CVE-2016-7200 published?
- CVE-2016-7200 was published on 2016-11-10 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html
- http://www.securityfocus.com/bid/93968
- http://www.securitytracker.com/id/1037245
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129
- https://github.com/theori-io/chakra-2016-11
- https://www.exploit-db.com/exploits/40785/
- https://www.exploit-db.com/exploits/40990/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7200
Affected products (1)
- cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
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