CVE-2013-1347
Confirmed PUBLISHEDMicrosoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- May 05, 2013
- Exploitation Reported
- Mar 03, 2022
- CVSS
- 8.8 High
- EPSS
- 77.9%
CVE References
- MS13-038 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- TA13-134A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/ncas/alerts/TA13-134A
- 25294 exploit-db.com · Exploit http://www.exploit-db.com/exploits/25294
- oval:org.mitre.oval:def:16727 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
- technet.microsoft.com/security/advisory/2847140 technet.microsoft.com · CVE Record http://technet.microsoft.com/security/advisory/2847140
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-03-03 00:00 UTC |
Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cgenericelement_uaf.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2022-03-03 00:00:00 UTC · CISA
Proof of concept available
Recorded 2025-04-28 15:02:39 UTC
Weaknesses (CWE)
-
Use After Free
Scanner Integrations
Nuclei, Metasploit, and other scanner references for this CVE are listed on the Detection tab.
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
15:02 UTC over 1 year ago15:02 UTC · over 1 year ago
Metasploit module available
Exploit module available
-
15:02 UTC over 1 year ago15:02 UTC · over 1 year ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
10:00 UTC about 13 years ago10:00 UTC · about 13 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 13 years ago00:00 UTC · over 13 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2013-1347
{
"cve_id": "CVE-2013-1347",
"title": "Microsoft Internet Explorer 8 does not properly handle objects in memory, whi...",
"affected_vendor": "Microsoft",
"affected_product": "Internet Explorer 8",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.8,
"epss_score": 0.77889,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}