Microsoft Edge in Windows 10 1703 allows an attacker to execute arbitrary code in the context of the current user when the Edge JavaScript scripting engine fails to handle objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8499, CVE-2017-8521, CVE-2017-8548, and CVE-2017-8549.
Published 2017-06-15 01:29:04
Updated 2019-03-19 19:58:12
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionExecute code

Exploit prediction scoring system (EPSS) score for CVE-2017-8520

7.37%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-8520

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.6
HIGH AV:N/AC:H/Au:N/C:C/I:C/A:C
4.9
10.0
NIST
7.5
HIGH CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
1.6
5.9
NIST

CWE ids for CVE-2017-8520

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-8520

Products affected by CVE-2017-8520

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