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CVE-2013-1347

Microsoft Internet Explorer Remote Code Execution

8.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 77.7%
  1. Published5 May 2013
  2. Added to CISA KEV3 Mar 2022
  3. Remediation due24 Mar 2022
Actively exploited (CISA KEV)

This vulnerability may corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user within Internet Explorer.

Added to KEV: 3 Mar 2022Federal remediation due: 24 Mar 2022

Description

Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly allocated or (2) is deleted, as exploited in the wild in May 2013.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Microsoft Internet Explorer8

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2013-1347 being actively exploited?

Yes. CVE-2013-1347 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Mar 2022.

How severe is CVE-2013-1347?

CVE-2013-1347 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 77.7% probability of exploitation.

Which products are affected by CVE-2013-1347?

Affected products include Microsoft Internet Explorer.

How do I fix CVE-2013-1347?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2013-1347 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.