High 8.8Known exploited (CISA KEV)Published May 12, 2017

CVE-2017-0222A 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…

Updated under an hour ago (2026-10-19 08:40 UTC)

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It affects Microsoft Corporation Internet Explorer. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Feb 25, 2022; federal agencies had to remediate by Aug 25, 2022. Treat that date as your deadline.

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Every CVE for Microsoft Corporation Internet Explorer

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
Known exploited: Added to CISA KEV Feb 25, 2022; federal remediation due Aug 25, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 29.64% (percentile 98)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Corporation Internet Explorer microsoft:internet_explorer (from the name)	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.	CNA record
microsoft internet_explorer microsoft:internet_explorer	9; 11	NVD

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222x-refsource-confirm, patch, vendor-advisory
http://www.securityfocus.com/bid/98127vdb-entry, x-refsource-bid, broken-link, third-party-advisory
http://www.securitytracker.com/id/1038423vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0222us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.