The scripting engines in Microsoft Internet Explorer 9 through 11 and Microsoft Edge…
Priority HIGH 71CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-119 and the CVSS impact.
Summary
The scripting engines in Microsoft Internet Explorer 9 through 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," as demonstrated by the Chakra JavaScript engine, a different vulnerability than CVE-2016-7200, CVE-2016-7201, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
Why it matters now
EPSS 0.73944 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA
Fix Fixed Microsoft.ChakraCore (NuGet): 1.2.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Microsoft.ChakraCore (NuGet) | before 1.2.2 | 1.2.2 | Patch available | GHSA-mmfq-r3rg-8r7w |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.2.2 Fixed in 1.2.2 Patch available GHSA-mmfq-r3rg-8r7w
Remediation
- Fix · GHSA-mmfq-r3rg-8r7w Microsoft.ChakraCore (NuGet) Fixed in 1.2.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7202
- 2026-10-03 Alias added: GHSA-mmfq-r3rg-8r7w
References
Advisory 4
Other 7
- https://github.com/chakra-core/ChakraCore/pull/2196
- https://github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631
- https://github.com/chakra-core/ChakraCore
- https://web.archive.org/web/20210123185141/http://www.securityfocus.com/bid/94042
- https://web.archive.org/web/20211126224744/http://www.securitytracker.com/id/1037245
- https://www.exploit-db.com/exploits/40786
- https://www.exploit-db.com/exploits/40793
More Microsoft Edge vulnerabilities
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2020-12621 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2016-7202 · CVE Program
- CVE-2016-7202 · NVD
- FIRST EPSS
- GHSA-mmfq-r3rg-8r7w · GitHub Advisory Database · CC BY 4.0
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