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CVE-2013-7331: Microsoft Internet Explorer Information Disclosure Vulnerability

criticalknown exploitedpublic exploitCVE-2013-7331
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Microsoftproduct: Internet ExplorerInformation disclosure
What
An information disclosure vulnerability allows querying of resources loaded into memory, potentially revealing anti-malware applications.
Who is affected
Users of Microsoft Internet Explorer.
Urgency
Immediate action is needed as the vulnerability is actively exploited and critical.
Action
Update Internet Explorer to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-05-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2013-7331

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2013-7331coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Internet Explorer

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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