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Known exploited vulnerability

CVE-2009-1123

highCVSS 3.1 7.8In CISA KEVEPSS 4.9%Published · n/a

The short answer

CVE-2009-1123 affects n/a n/a and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-03: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

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."

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Mar 3, 2022

Federal due date Mar 24, 2022

EPSS, next 30 days

4.9%

Higher than 92% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2009-1123 being exploited?

Yes. CISA added CVE-2009-1123 to its Known Exploited Vulnerabilities catalog on 2022-03-03, with a federal remediation due date of 2022-03-24.

How do I fix CVE-2009-1123?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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