CVE-2017-8656

high-risk
Published 2017-08-08

Microsoft Edge in Microsoft Windows 10 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user due to the way that Microsoft browser JavaScript engines render content when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8634, CVE-2017-8635, CVE-2017-8636, CVE-2017-8638, CVE-2017-8639, CVE-2017-8640, CVE-2017-8641, CVE-2017-8645, CVE-2017-8646, CVE-2017-8647, CVE-2017-8655, CVE-2017-8657, CVE-2017-8670, CVE-2017-8671, CVE-2017-8672, and CVE-2017-8674.

Do I need to act?

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81.9% chance of exploitation in next 30 days
EPSS score — higher than 18% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
42464
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Microsoft

References (8)

Third Party Advisory http://www.securityfocus.com/bid/100033
Third Party Advisory http://www.securitytracker.com/id/1039095
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8656
https://www.exploit-db.com/exploits/42464/
Third Party Advisory http://www.securityfocus.com/bid/100033
Third Party Advisory http://www.securitytracker.com/id/1039095
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8656
https://www.exploit-db.com/exploits/42464/
54
/ 100
high-risk
Severity 22/34 · High
Exploitability 27/34 · High
Exposure 5/34 · Minimal