Buffer overflow in Microsoft Edge

CVE-2017-8608

Microsoft browsers in Microsoft Windows Server 2008 and R2, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, 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 engines fail to render when handling objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8598, CVE-2017-8596, CVE-2017-8610, CVE-2017-8601, CVE-2017-8618, CVE-2017-8619, CVE-2017-8603, CVE-2017-8604, CVE-2017-8605, CVE-2017-8595, CVE-2017-8606, CVE-2017-8607, and CVE-2017-8609

Vulnerability class: Buffer Overflow

EPSS: 0.094 (94.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-8608?
CVE-2017-8608 is a high-severity vulnerability in Microsoft Edge, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-07-11.
How severe is CVE-2017-8608?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-8608 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.