How severe is CVE-2017-0227?

CVE-2017-0227 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-0227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-0227?

CVE-2017-0227 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-0227?

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

When was CVE-2017-0227 published?

CVE-2017-0227 was published on 2017-05-12 and last updated on 2026-06-17.

CVE-2017-0227

CVE-2017-0227 is a high-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.6
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Edge
Published: 2017-05-12
Last modified: 2026-06-17

Description

A remote code execution vulnerability exists in Microsoft Edge in the way affected Microsoft scripting engines render when handling objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0221 and CVE-2017-0240.

Frequently asked questions

What is CVE-2017-0227?: A remote code execution vulnerability exists in Microsoft Edge in the way affected Microsoft scripting engines render when handling objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0221 and CVE-2017-0240.
How severe is CVE-2017-0227?: CVE-2017-0227 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-0227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-0227?: CVE-2017-0227 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-0227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-0227 published?: CVE-2017-0227 was published on 2017-05-12 and last updated on 2026-06-17.

References

Affected products (1)

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

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