How severe is CVE-2017-0223?

CVE-2017-0223 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-0223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-0223?

CVE-2017-0223 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-0223?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-0223 published?

CVE-2017-0223 was published on 2017-05-15 and last updated on 2026-06-17.

CVE-2017-0223

CVE-2017-0223 is a critical-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Edge
Published: 2017-05-15
Last modified: 2026-06-17

Description

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-2017-0252.

Frequently asked questions

What is 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-2017-0252.
How severe is CVE-2017-0223?: CVE-2017-0223 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-0223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-0223?: CVE-2017-0223 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-0223?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-0223 published?: CVE-2017-0223 was published on 2017-05-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*

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