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CISA Known Exploited Vulnerabilities

Microsoft Internet Explorer Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2022-03-03
Remediation due
2022-03-24

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2013-1347

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.

Severity

CVSS 3.1 · CISA8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Exploitation Context

as of October 15, 2026
All KEV statistics→
  • CISA added CVE-2013-1347 to the KEV catalog 3,224 days after its CVE record was published.
  • It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 166 added in 2022.
  • Its current EPSS score (77.7%) is higher than that of 62% of CISA KEV entries.

Affected Products

ProductAffected versions
-
n/a

References

5 Links
Vendor advisories
Exploits & PoCs
Third-party advisories
Vulnerability databases

Record Details

Published
2013-05-05
Last updated
2025-10-22
Assigner (CNA)
microsoft
Credited to
-

More from Microsoft

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.