CVE-2013-1347
Microsoft Internet Explorer Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 77.74% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 7 May 2013
- CISA KEV
- Listed 3 March 2022 · due 24 March 2022
- Weakness
- CWE-416
- Affected
- microsoft/internet explorer
- Source
- secure@microsoft.com
EPSS 77.7% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2013-1347
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://technet.microsoft.com/security/advisory/2847140Mitigation, Patch, Vendor Advisory
- http://www.exploit-db.com/exploits/25294Exploit, Third Party Advisory, VDB Entry
- http://www.us-cert.gov/ncas/alerts/TA13-134AThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-038Patch, Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16727Broken Link
- http://technet.microsoft.com/security/advisory/2847140Mitigation, Patch, Vendor Advisory
- http://www.exploit-db.com/exploits/25294Exploit, Third Party Advisory, VDB Entry
- http://www.us-cert.gov/ncas/alerts/TA13-134AThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-038Patch, Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16727Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-1347US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.