CVE-2017-0222: Microsoft Internet Explorer Remote Code Execution Vulnerability
Vulnerability summary
CVE-2017-0222 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in Microsoft Internet Explorer. It is known to be exploited: CISA lists it, first on 25-02-2022. EPSS estimates a 29.64% chance of exploitation in the next 30 days, higher than 98.1% of scored vulnerabilities.
Timeline
- 12-05-2017PublishedVulnerability first disclosed.
- 25-02-2022Added to CISA KEVMicrosoft Internet Explorer Remote Code Execution Vulnerability
- 25-08-2022CISA remediation dueApply updates per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
Description
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 metrics
3 scores · 2 sources · 2 versions- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
29.64%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 29.64% on 21-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 25-02-2022
- Federal due date
- 25-08-2022
CISA required action
Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2017-0222
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- internet_explorerEOL9 | 11
Microsoft corporation1 product
- internet explorerWindows 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.
2 vendors · 2 products
References
4 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222X Refsource CONFIRMPatchVendor Advisory- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0222Government ResourceUS Government Resource