CVE DATABASE / CVE-2017-0149

CVE-2017-0149

Microsoft Internet Explorer Memory Corruption Vulnerability

CVSS 8.8 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED

On the CISA KEV catalog

Confirmed exploited in the wild. Added 2022-05-24. Federal remediation due 2022-06-14.
Required action: Apply updates per vendor instructions.

Summary

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 3.1 breakdown

Base score	8.8 (HIGH)
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector	NETWORK
Attack complexity	LOW
Privileges required	NONE
User interaction	REQUIRED
Scope	UNCHANGED
Confidentiality	HIGH
Integrity	HIGH
Availability	HIGH

Weakness type (CWE)

CWE-787

Affected products

Microsoft internet explorerMicrosoft windows server 2008Microsoft windows vistaMicrosoft windows server 2012Microsoft windows 10 1507Microsoft windows 10 1511Microsoft windows 10 1607Microsoft windows 7Microsoft windows 8.1Microsoft windows rt 8.1Microsoft windows server 2016

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References

Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.