CVE-2015-1661

Internet Explorer vulnerability

CVSS

4.3

EPSS

14.7%

EPSS pct

96th

Exploited

No known

Microsoft Internet Explorer 6 through 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass Vulnerability."

Affected vendor

Microsoft

Affected product

Internet Explorer

CVSS vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Weakness type (CWE)

CWE-264 — Permissions, Privileges, and Access Controls

Published

2015-04-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 14.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2015-1661

Confirm whether Microsoft Internet Explorer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-1661.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-1661

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-1661 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2015-1661?

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