Vulnerability in Microsoft Internet Explorer

CVE-2009-0551

Microsoft Internet Explorer 6 SP1, 6 and 7 on Windows XP SP2 and SP3, 6 and 7 on Windows Server 2003 SP1 and SP2, 7 on Windows Vista Gold and SP1, and 7 on Windows Server 2008 does not properly handle transition errors in a request for one HTTP document followed by a request for a second HTTP document, which allows remote attackers to execute arbitrary code via vectors involving (1) multiple crafted pages on a web site or (2) a web page with crafted inline content such as banner advertisements, aka "Page Transition Memory Corruption Vulnerability."

EPSS: 0.249 (97.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2009-0551?
CVE-2009-0551 is a high-severity vulnerability in Microsoft Internet Explorer, classified under CWE-399. CVSS score: 8.1/10. Published 2009-04-15.
How severe is CVE-2009-0551?
High severity. CVSS v3 base score is 8.1 out of 10.