Buffer overflow in Microsoft Edge
CVE-2017-8740
Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to execute arbitrary code in the context of the current user, due to the way that the Microsoft Edge scripting engine handles objects in memory, aka "Scripting Engine Memory Co…
Vulnerability class: Buffer Overflow
EPSS: 0.782 (99.0th 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
- Microsoft Edge
- Microsoft Windows_10 — versions 1703
- Microsoft Corporation Edge — versions Microsoft Windows 10 1703
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
Frequently asked questions
- What is CVE-2017-8740?
- CVE-2017-8740 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 2017-09-13.
- How severe is CVE-2017-8740?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-8740 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.