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Fencer Intel
critical 9.3

CVE-2010-0491 in the critical feed json

Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by cha…

published 16y ago modified 4mo ago also EUVD-2010-0522

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
29.3%
EPSS 29.3% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by changing unspecified properties of an HTML object that has an onreadystatechange event handler, aka "HTML Object Memory Corruption Vulnerability."

Patch / fix

Is CVE-2010-0491 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

29.28% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.