Microsoft Internet Explorer 5.01 SP4 and 6 SP1; Internet Explorer 6 for Windows XP SP2 and SP3 and Server 2003 SP2; and Internet Explorer 7 and 8 for Windows XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 do not properly handle attempts to access deleted objects in memory, which allows remote attackers to execute arbitrary code via an HTML document containing embedded style sheets that modify unspecified rule properties that cause the behavior element to be "improperly processed," aka "Uninitialized Memory Corruption Vulnerability."
CVE-2009-1919
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EG Risk
- 0EG Risk 0/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses intrinsic severity with real-world exploitation and automatability, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. It is distinct from the 0–10 EG Score, which measures severity.
- EPSS
- 98.2%
- KEV
- Not listed
Published
July 29, 2009
Last Modified
April 23, 2026
References (14)
- secure@microsofthttp://www.securityfocus.com/archive/1/505524/100/0/threaded
- secure@microsofthttp://www.securitytracker.com/id?1022611
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA09-195A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2009/2033
- secure@microsofthttp://www.zerodayinitiative.com/advisories/ZDI-09-048
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-034
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5660
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/505524/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1022611
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA09-195A.html
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/2033
- af854a3a-2127-422b-91ae-364da2661108http://www.zerodayinitiative.com/advisories/ZDI-09-048
- af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-034
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5660
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 00:59 UTCEG score recompute
- 2026-07-23 00:37 UTCEG score recompute▼ 0.70
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- 2026-07-22 21:42 UTCEG score recompute
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Related CVEs(same CWE)
Same CWE
10 shownCWE-94
Frequently asked(4)
What is CVE-2009-1919?
When was CVE-2009-1919 disclosed?
Is CVE-2009-1919 actively exploited?
How do I remediate CVE-2009-1919?
Dependency Blast Radius
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