CVE-2009-0554
Microsoft Internet Explorer 5.01 SP4, 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 allows remote attackers to execute arbitrary code via a web page…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 32.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft Internet Explorer 5.01 SP4, 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 allows remote attackers to execute arbitrary code via a web page that triggers presence of an object in memory that was (1) not properly initialized or (2) deleted, aka "Uninitialized 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
- 32.17% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- microsoft/internet explorer
- Source
- secure@microsoft.com
EPSS 32.2% since 26 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.
References
- http://secunia.com/advisories/34678
- http://support.avaya.com/elmodocs2/security/ASA-2009-133.htm
- http://www.securitytracker.com/id?1022042
- http://www.us-cert.gov/cas/techalerts/TA09-104A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/1028
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-014
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5723
- http://secunia.com/advisories/34678
- http://support.avaya.com/elmodocs2/security/ASA-2009-133.htm
- http://www.securitytracker.com/id?1022042
- http://www.us-cert.gov/cas/techalerts/TA09-104A.htmlUS Government Resource
- http://www.vupen.com/english/advisories/2009/1028
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-014
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5723
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.