CVE-2017-0149VulnerabilityPublished 05/24/2022Updated 10/24/2026

CVE-2017-0149: Microsoft Internet Explorer Memory Corruption Vulnerability

Affects Microsoft Internet ExplorerSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 05/24/2022
KEV deadline: 06/14/2022
EPSS: 29.2% chance of exploitation in 30 days – higher than 98% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2017-0149 (opens in a new tab)

Description

Microsoft Internet Explorer has a memory corruption vulnerability (CVE-2017-0149) that allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) by tricking users into visiting a crafted website. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the input data.

Summary

CVE-2017-0149 is a memory corruption vulnerability in Microsoft Internet Explorer that enables remote code execution or denial-of-service attacks via maliciously crafted web content. The vulnerability has been observed to be exploited in the wild. The input data does not specify affected versions or patch availability.

Impact

Successful exploitation can lead to remote code execution or denial-of-service conditions on affected Internet Explorer installations. This can allow attackers to run arbitrary code with the privileges of the user or crash the browser, disrupting service.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should ensure their Internet Explorer installations are updated with the latest security patches from Microsoft. Until official fixes are confirmed, avoid visiting untrusted or suspicious websites.

Weaknesses

CWE-119Buffer Errors (Memory Bounds) (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 11:42:32 UTC

Weaknesses

References

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