Use After Free in Microsoft Internet_explorer
CVE-2013-1347
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…
Vulnerability class: Use-After-Free
EPSS: 0.779 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Internet_explorer — versions 8
- Microsoft Windows_7
- Microsoft Windows_server_2003
- Microsoft Windows_server_2008 — versions r2
- Microsoft Windows_vista
- Microsoft Windows_xp
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secure@microsoft.com (US Government Resource, Third Party Advisory, x_refsource_CERT, third-party-advisory)
- secure@microsoft.com (Broken Link, signature, x_refsource_OVAL, vdb-entry)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- secure@microsoft.com (x_refsource_MS, vendor-advisory, Patch, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2013-1347?
- CVE-2013-1347 is a high-severity vulnerability in Microsoft Internet_explorer, classified under Use After Free. CVSS score: 8.8/10. Published 2013-05-05.
- How severe is CVE-2013-1347?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2013-1347 known to be exploited?
- Yes. CVE-2013-1347 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.