Is CVE-2008-4279 being actively exploited?

CVE-2008-4279 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-4279?

CVE-2008-4279 has a CVSS 2.0 base score of 6.8 (MEDIUM).

CVE-2008-4279

MEDIUM · CVSS 6.8EPSS 0.4%EU EUVD

The CPU hardware emulation for 64-bit guest operating systems in VMware Workstation 6.0.x before 6.0.5 build 109488 and 5.x before 5.5.8 build 108000; Player 2.0.x before 2.0.5 build 109488 and 1.x before 1.0.8; Server 1.x before 1.0.7 build 108231; and ESX 2.5.4 through 3.5 allows authenticated guest OS users to gain additional guest OS privileges by triggering an exception that causes the virtual CPU to perform an indirect jump to a non-canonical address.

Key facts

CVSS score: 6.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:S/C:C/I:C/A:C
Weakness (CWE): CWE-264
EPSS score: 0.4% (32th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-4262)
Published: October 6, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-4262 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

vmware / esx
vmware / player
vmware / server
vmware / workstation

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

VMware® vSphere 5.5 Update 2 - VMware Inc. - Common Criteria 383-4-300 - archived

References

http://lists.grok.org.uk/pipermail/full-disclosure/2008-October/064860.html(Third Party Advisory)
http://marc.info/?l=bugtraq&m=122331139823057&w=2(Mailing List, Third Party Advisory)
http://secunia.com/advisories/32157(Third Party Advisory)
http://secunia.com/advisories/32179(Third Party Advisory)
http://secunia.com/advisories/32180(Third Party Advisory)
http://www.securityfocus.com/archive/1/497041/100/0/threaded(Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/31569(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1020991(Third Party Advisory, VDB Entry)
http://www.vmware.com/security/advisories/VMSA-2008-0016.html(Patch, Vendor Advisory)
http://www.vupen.com/english/advisories/2008/2740(Third Party Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/45668(Third Party Advisory, VDB Entry)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5929(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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