Microsoft Internet Explorer 6 and 7 for Windows XP SP2 and SP3; 6 and 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 does not properly synchronize AJAX requests, which allows allows remote attackers to execute arbitrary code via a large number of concurrent, asynchronous XMLHttpRequest calls, aka "HTML Object Memory Corruption Vulnerability."
CVE-2009-1528
NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 35%CVSS: —Exploit: NoneExposed: 0
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)
- EPSS
- 98.2%
- KEV
- Not listed
Published
June 10, 2009
Last Modified
April 23, 2026
References (18)
- secure@microsofthttp://osvdb.org/54947
- secure@microsofthttp://www.securityfocus.com/archive/1/504206/100/0/threaded
- secure@microsofthttp://www.securityfocus.com/bid/35222
- secure@microsofthttp://www.securitytracker.com/id?1022350
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA09-160A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2009/1538
- secure@microsofthttp://www.zerodayinitiative.com/advisories/ZDI-09-037
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-019
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6260
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/54947
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/504206/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/35222
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1022350
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA09-160A.html
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/1538
Data Freshness Timeline
(refreshed 2× in last 7d / 31× 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.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-28 04:52 UTCEPSS rescore
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- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-30 16:32 UTCEG score recompute
- 2026-05-30 16:32 UTCGHSA enrichment
- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2009-1528?
CVE-2009-1528 is a none vulnerability published on June 10, 2009. Microsoft Internet Explorer 6 and 7 for Windows XP SP2 and SP3; 6 and 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 does not properly synchronize AJAX requests, which allows allows remote attackers to execute arbitrary code via a large number of concurrent,…
When was CVE-2009-1528 disclosed?
CVE-2009-1528 was first published in the National Vulnerability Database on June 10, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-1528 actively exploited?
CVE-2009-1528 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2009-1528?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-1528, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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