Vulnerability in Microsoft Windows_2000
CVE-2009-1123
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 cr…
EPSS: 0.049 (91.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- secure@microsoft.com (x_refsource_SECUNIA, Broken Link, third-party-advisory)
- secure@microsoft.com (x_refsource_OSVDB, vdb-entry, Broken Link)
- secure@microsoft.com (vdb-entry, Broken Link, x_refsource_VUPEN)
- secure@microsoft.com (x_refsource_MS, vendor-advisory, Patch, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- secure@microsoft.com (Broken Link, signature, x_refsource_OVAL, vdb-entry)
- secure@microsoft.com (US Government Resource, Third Party Advisory, x_refsource_CERT, Broken Link, third-party-advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2009-1123?
- CVE-2009-1123 is a high-severity vulnerability in Microsoft Windows_2000. CVSS score: 7.8/10. Published 2009-06-10.
- How severe is CVE-2009-1123?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2009-1123 known to be exploited?
- Yes. CVE-2009-1123 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.