CVE-2013-7331Actively exploitedAdded to KEV 2022-05-25Medium severity, CVSS 6.5

Microsoft Internet Explorer Information Disclosure Vulnerability

Microsoft, Internet Explorer

Description

An information disclosure vulnerability exists in Internet Explorer which allows resources loaded into memory to be queried. This vulnerability could allow an attacker to detect anti-malware applications.

CVSS severity

Medium (6.5/10)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Sourced from NVD, reflects how severe this vulnerability is if exploited, not whether it has been. Every advisory on this page is already a CISA-confirmed active exploitation case regardless of its CVSS score.

EPSS, exploit probability

Critical

50.2%

estimated chance of real-world exploitation in the next 30 days, higher than 98.9% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Public exploit references (via NVD)

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-06-15

CWE-200

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