Out-of-bounds write in Microsoft Edge, ChakraCore
Priority HIGH 70CWE-787Published · 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-787 and the CVSS impact.
Summary
Microsoft Edge and ChakraCore in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0840, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0861, and CVE-2018-0866.
Why it matters now
EPSS 0.68424 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Microsoft.ChakraCore (NuGet): 1.8.1
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 |
|---|---|---|---|---|---|
| Microsoft | Microsoft Edge, ChakraCore | Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016. | — | No fix listed | CNA |
| — | Microsoft.ChakraCore (NuGet) | before 1.8.1 | 1.8.1 | Patch available | GHSA-v3xp-3wpq-rvhp |
- Microsoft Edge, ChakraCore VendorMicrosoft Affected Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016. Fixed in — No fix listed CNA
- Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.8.1 Fixed in 1.8.1 Patch available GHSA-v3xp-3wpq-rvhp
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | 1607 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* | 1703 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* Versions 1703 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · GHSA-v3xp-3wpq-rvhp Microsoft.ChakraCore (NuGet) Fixed in 1.8.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-0860
- 2026-10-03 Alias added: GHSA-v3xp-3wpq-rvhp
References
Exploit 1
Other 5
- https://github.com/chakra-core/ChakraCore/commit/9dac38fa6a6273f4cd57234d3caf4c7033e527bc
- https://github.com/chakra-core/ChakraCore
- https://web.archive.org/web/20210124135855/http://www.securityfocus.com/bid/102883
- https://web.archive.org/web/20210922050621/http://www.securitytracker.com/id/1040372
- https://www.exploit-db.com/exploits/44076
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-2018-0860 · CVE Program
- CVE-2018-0860 · NVD
- FIRST EPSS
- GHSA-v3xp-3wpq-rvhp · GitHub Advisory Database · CC BY 4.0
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