What is CVE-2013-3897?

CVE-2013-3897 is a high-severity vulnerability in Microsoft Internet Explorer, classified under Use After Free. CVSS score: 8.8/10. Published 2013-10-09.

How severe is CVE-2013-3897?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2013-3897 known to be exploited?

Yes. CVE-2013-3897 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.

Use After Free in Microsoft Internet Explorer

CVE-2013-3897

Use-after-free vulnerability in the CDisplayPointer class in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted JavaScript code that uses the onpropertychange event handler, as exploited in the wild in September and October 2013, aka "Internet Explorer Memory Corruption Vulnerability."

Vulnerability class: Use-After-Free

Published 2013-10-09 · last modified 2026-06-16.

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.

EPSS exploit prediction

EPSS: 0.773 (99.6th percentile), scored 2026-10-17.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.773 · newest: 0.773 · change: 0.000

Affected products

Microsoft Internet Explorer — versions 6, 7, 8
Microsoft Windows 7
Microsoft Windows 8
Microsoft Windows 8.1
Microsoft Windows Rt 8.1
Microsoft Windows Server 2003
Microsoft Windows Server 2008 — versions r2
Microsoft Windows Server 2012 — versions r2
Microsoft Windows Vista
Microsoft Windows Xp

Weakness classification (CWE)

CWE-416 — Use After Free

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-03. 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: 2022-03-24.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabiliti… (Broken Link, Vendor Advisory)
www.us-cert.gov/ncas/alerts/TA13-288A (US Government Resource, Third Party Advisory, third-party-advisory)
docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080 (vendor-advisory, Patch, Vendor Advisory)
oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:18989 (Broken Link, signature, vdb-entry)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2013-3897?: CVE-2013-3897 is a high-severity vulnerability in Microsoft Internet Explorer, classified under Use After Free. CVSS score: 8.8/10. Published 2013-10-09.
How severe is CVE-2013-3897?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2013-3897 known to be exploited?: Yes. CVE-2013-3897 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.