Which products and versions are affected by CVE-2017-0222?

Affected: Internet Explorer (Microsoft) versions 11, 9, >= Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2, Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows RT 8.1, Windows Server 2012, Windows Server 2012 R2, Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1511 for 32-bit Systems, Windows 10 Version 1511 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, and Windows Server 2016.. The full list is in the CVE brief.

Is CVE-2017-0222 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 9, 2017.

Is CVE-2017-0222 in the CISA KEV catalog?

Yes. It was added on Feb 25, 2022 with a federal remediation due date of Aug 25, 2022.

Is there a public exploit for CVE-2017-0222?

Public exploit code is available.

Is there a fix for CVE-2017-0222?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2017-0222 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2017-0222

HighExploitedPublic exploit

A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.

Published May 12, 2017 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2017-0222 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Internet Explorer (Microsoft).
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 9, 2017. Public exploit code is available.
EPSS estimates a 30% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

30%

Higher than 98.1% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2017-0222 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Feb 25, 2022	Aug 25, 2022	Not reported
Industry KEV feed	May 9, 2017	Aug 25, 2022	Not reported
CIRCL KEV	Feb 25, 2022	Aug 25, 2022	Not reported
ENISA EUVD	Feb 25, 2022	n/a	Not reported

Required action: Apply updates per vendor instructions.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Internet ExplorerMicrosoft	11, 9, >= Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2, Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows RT 8.1, Windows Server 2012, Windows Server 2012 R2, Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1511 for 32-bit Systems, Windows 10 Version 1511 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, and Windows Server 2016.	n/a

Timeline

Added to Industry KEV feed
May 9, 2017
Publicly disclosed
May 12, 2017
Added to CISA KEV
Feb 25, 2022
Added to CIRCL KEV
Feb 25, 2022
Added to ENISA EUVD
Feb 25, 2022
Last updated
Apr 22, 2026

Weakness Type

CWE-787 Out-of-bounds Write

References

advisory98127
advisory1038423
patchhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report

1 more references in the full CVE brief

FAQ

Common Questions.

A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.
Affected: Internet Explorer (Microsoft) versions 11, 9, >= Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2, Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows RT 8.1, Windows Server 2012, Windows Server 2012 R2, Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1511 for 32-bit Systems, Windows 10 Version 1511 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, and Windows Server 2016.. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 9, 2017.
Yes. It was added on Feb 25, 2022 with a federal remediation due date of Aug 25, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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