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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2013-3897

Microsoft Internet Explorer Use-After-Free Vulnerability

KEVEXPLOIT ✓HIGH 8.8EPSS 77.3%

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

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."

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
77.31% probability · 100th percentile
Public exploits
1 in Exploit-DB · verified · first 15 October 2013
CISA KEV
Listed 3 March 2022 · due 24 March 2022
Weakness
CWE-416
Affected
microsoft/internet explorer
Source
secure@microsoft.com
EPSS trend
0%40%80%30 October 2026: 77.31%30 October 202630 October 2026

EPSS 77.3% 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-2013-3897

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.

EDB-IDTitleTypePublishedVerified
EDB-28974source ↗Microsoft Internet Explorer - CDisplayPointer Use-After-Free (MS13-080) (Metasploit)windows · Metasploitremote15 October 2013yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.