What is CVE-2017-0223?

CVE-2017-0223 is a critical-severity vulnerability in Microsoft Edge, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-05-15.

How severe is CVE-2017-0223?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Microsoft Edge

CVE-2017-0223

A remote code execution vulnerability exists in Microsoft Chakra Core in the way JavaScript engines render when handling objects in memory. aka "Scripting Engine Memory Corruption Vulnerability". This vulnerability is unique from CVE-2017-…

Vulnerability class: Buffer Overflow

EPSS: 0.360 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Edge
Microsoft Corporation Chakra Core — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

secure@microsoft.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
secure@microsoft.com (vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2017-0223?: CVE-2017-0223 is a critical-severity vulnerability in Microsoft Edge, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-05-15.
How severe is CVE-2017-0223?: Critical severity. CVSS v3 base score is 9.8 out of 10.