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CVE-2009-1123

7.8 · HIGHActively Exploited

The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 SP2 does not properly validate changes to unspecified kernel objects, which allo…

Published Jun 10, 2009microsoftEPSS 4.88%

Overview

CVE-2009-1123 is a high-severity vulnerability affecting microsoft windows_2000. It was published on June 10, 2009 and has a CVSS 3.1 base score of 7.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 SP2 does not properly validate changes to unspecified kernel objects, which allows local users to gain privileges via a crafted application, aka "Windows Kernel Desktop Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/54940Refsecunia.com/advisories/35372Refwww.securitytracker.com/id?1022359Refwww.us-cert.gov/cas/techalerts/TA09-160A.htmlRefwww.vupen.com/english/advisories/2009/1544Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-025Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6206Refosvdb.org/54940Refsecunia.com/advisories/35372Refwww.securitytracker.com/id?1022359

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1123?

CVE-2009-1123 is a high-severity vulnerability affecting microsoft windows_2000. It was published on June 10, 2009 and has a CVSS 3.1 base score of 7.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2009-1123?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1123?

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-1123?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1123 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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