CVE-2017-8601
HighExploitedPublic exploitMicrosoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to execute arbitrary code in the context of the current user when the JavaScript engine fails to render when handling objects in memory in Microsoft Edge, aka "Scripting…
Published Jul 11, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-8601 is a high-severity vulnerability (CVSS 7.5 v3) affecting Edge (Microsoft), Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016.
- It is exploited in the wild, listed in Industry KEV feed since Aug 17, 2021. Public exploit code is available.
- EPSS estimates a 67% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3
7.5
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
67%
Higher than 99.2% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-8601 brief as a PDF
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Description
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to execute arbitrary code in the context of the current user when the JavaScript engine fails to render when handling objects in memory in Microsoft Edge, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8596, CVE-2017-8610, CVE-2017-8618, CVE-2017-8619, CVE-2017-8603, CVE-2017-8604, CVE-2017-8605, CVE-2017-8606, CVE-2017-8607, CVE-2017-8608, CVE-2017-8598 and CVE-2017-8609.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Aug 17, 2021 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| EdgeMicrosoft | See advisory | n/a |
| Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 | >= Microsoft Edge | n/a |
Timeline
Publicly disclosed
Jul 11, 2017
Added to Industry KEV feed
Aug 17, 2021
Last updated
May 12, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory99420
- advisory1038849
- patchhttps://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8601
- exploitVulnCheck exploitation report
- exploitExploitDB-42479
FAQ
Common Questions.
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to execute arbitrary code in the context of the current user when the JavaScript engine fails to render when handling objects in memory in Microsoft Edge, aka "Scripting Engine Memory Corruption Vulnerability".
Affected: Edge (Microsoft); Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 versions >= Microsoft Edge. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Aug 17, 2021.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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