What is CVE-2016-7201?

CVE-2016-7201 is a high-severity vulnerability in Microsoft Edge, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2016-11-10.

How severe is CVE-2016-7201?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2016-7201 known to be exploited?

Yes. CVE-2016-7201 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28), indicating it is being actively exploited. 24 public proof-of-concept repositories are indexed.

Vulnerability in Microsoft Edge

CVE-2016-7201

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-2016-7200, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.

Published 2016-11-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.800 (99.6th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.801 · newest: 0.800 · change: -0.001

Affected products

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-28. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-04-18.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129 (vendor-advisory, Patch, Vendor Advisory)
packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak… (VDB Entry, Third Party Advisory)
github.com/theori-io/chakra-2016-11 (Exploit, Third Party Advisory)
www.securityfocus.com/bid/94038 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
www.exploit-db.com/exploits/40784/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.exploit-db.com/exploits/40990/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.securitytracker.com/id/1037245 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2016-7201?: CVE-2016-7201 is a high-severity vulnerability in Microsoft Edge, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2016-11-10.
How severe is CVE-2016-7201?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-7201 known to be exploited?: Yes. CVE-2016-7201 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28), indicating it is being actively exploited. 24 public proof-of-concept repositories are indexed.