CVE-2017-0149: Microsoft Internet Explorer Memory Corruption Vulnerability
Vulnerability summary
CVE-2017-0149 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 24-05-2022. EPSS estimates a 29.18% chance of exploitation in the next 30 days, higher than 98.1% of scored vulnerabilities.
Timeline
- 17-03-2017PublishedVulnerability first disclosed.
- 24-05-2022Added to CISA KEVMicrosoft Internet Explorer Memory Corruption Vulnerability
- 14-06-2022CISA remediation dueApply updates per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
Description
Microsoft Internet Explorer 9 through 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0018 and CVE-2017-0037.
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
29.18%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 29.18% on 21-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 24-05-2022
- Federal due date
- 14-06-2022
CISA required action
Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2017-0149
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- internet_explorerEOL9 | 10 | 11
Microsoft corporation1 product
- internet explorerInternet Explorer 9 through 11
2 vendors · 2 products
References
4 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0149X Refsource CONFIRMPatchVendor Advisory- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0149Government ResourceUS Government Resource