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Vulnerability record · CVE-2017-8637 · published 8 August 2017

CVE-2017-8637: Microsoft edge vulnerability

Microsoft · Edge

Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to bypass Arbitrary Code Guard (ACG) due to how Microsoft Edge accesses memory in code compiled by the Edge Just-In-Time (JIT) compiler, aka "Scripting Engine Security Feature Bypass Vulnerability".

5.3 CVSS 3.0 Medium EPSS 5.0% · top 8.1%
5.3CVSS 3.0 base score, v2 2.6
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to bypass Arbitrary Code Guard (ACG) due to how Microsoft Edge accesses memory in code compiled by the Edge Just-In-Time (JIT) compiler, aka "Scripting Engine Security Feature Bypass Vulnerability".

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/100045 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039095 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8637 PatchVendor Advisory
http://www.securityfocus.com/bid/100045 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039095 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8637 PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-8637), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.