CVE-2013-3897
Use After Free — is CVE-2013-3897real, exploitable, or a false positive? Here's the community ground truth.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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."
References
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Community ground truth
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Field notes & remediation
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- 0
Microsoft Internet Explorer Use-After-Free Vulnerability — A use-after-free vulnerability exists within CDisplayPointer in Microsoft Internet Explorer that allows an attacker to remotely execute arbitrary code. Listed in the CISA KEV catalog (added 2022-03-03) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~77%. Treat it as real and prioritize remediation over triage.
- 0
Required action for Microsoft Internet Explorer: Apply updates per vendor instructions. CISA set a federal remediation due date of 2022-03-24. After patching, verify the vulnerable path is no longer reachable before closing the finding.
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