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Vulnerability record · CVE-2009-0419 · published 4 February 2009

CVE-2009-0419: Microsoft xml core services permissions and access controls vulnerability

Microsoft · Xml Core Services

Microsoft XML Core Services, as used in Microsoft Expression Web, Office, Internet Explorer 6 and 7, and other products, does not properly restrict access from web pages to Set-Cookie2 HTTP response headers, which allows remote attackers to obtain sensitive information from cookies via XMLHttpRequest calls, related to the HTTPOnly protection mechanism. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2008-4033.

5.0 CVSS 2.0 Medium EPSS 15% · top 3.3% CWE-264 · Permissions and access controls
5.0CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Microsoft XML Core Services, as used in Microsoft Expression Web, Office, Internet Explorer 6 and 7, and other products, does not properly restrict access from web pages to Set-Cookie2 HTTP response headers, which allows remote attackers to obtain sensitive information from cookies via XMLHttpRequest calls, related to the HTTPOnly protection mechanism. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2008-4033.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.mozilla.org/show_bug.cgi?id=380418
https://exchange.xforce.ibmcloud.com/vulnerabilities/48815
https://bugzilla.mozilla.org/show_bug.cgi?id=380418
https://exchange.xforce.ibmcloud.com/vulnerabilities/48815

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2012-1889Microsoft XML Core Services memory corruption via crafted websiteMicrosoft XML Core Services versions 3.0 through 6.0 access uninitialized memory, leading to memory corruption. A remote attacker can trigger this th…KEVEPSS 84%analysed6.5CVE-2017-0022Microsoft XML Core Services memory handling allows file existence disclosureMSXML in multiple Windows versions improperly handles objects in memory, letting a crafted web site probe for files on the local disk. The flaw is an…KEVEPSS 18%analysed9.3CVE-2013-0007Microsoft xml core services code injection vulnerabilityMicrosoft XML Core Services (aka MSXML) 4.0, 5.0, and 6.0 does not properly parse XML content, which allows remote attackers to execute arbitrary cod…EPSS 32%9.3CVE-2010-2561Microsoft xml core services code injection vulnerabilityMicrosoft XML Core Services (aka MSXML) 3.0 does not properly handle HTTP responses, which allows remote attackers to execute arbitrary code or cause…EPSS 25%9.3CVE-2007-2223Microsoft XML Core Services substringData integer overflow RCEMSXML 3.0 through 6.0 contains an integer overflow in the substringData method on TextNode and XMLDOM objects that leads to a buffer overflow. A remo…EPSS 49%analysed9.3CVE-2007-0099Microsoft xml core services race condition vulnerabilityRace condition in the msxml3 module in Microsoft XML Core Services 3.0, as used in Internet Explorer 6 and other applications, allows remote attacker…EPSS 25%8.8CVE-2016-0147Microsoft xml core services improper input validation vulnerabilityMicrosoft XML Core Services 3.0 allows remote attackers to execute arbitrary code via a crafted web site, aka "MSXML 3.0 Remote Code Execution Vulner…EPSS 16%8.8CVE-2013-0006Microsoft xml core services vulnerabilityMicrosoft XML Core Services (aka MSXML) 3.0, 5.0, and 6.0 does not properly parse XML content, which allows remote attackers to execute arbitrary cod…EPSS 28%

Source: NIST National Vulnerability Database (record CVE-2009-0419), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.