How severe is CVE-2015-0004?

CVE-2015-0004 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2015-0004 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0004?

CVE-2015-0004 primarily affects Microsoft Windows 7. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0004?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-0004 published?

CVE-2015-0004 was published on 2015-01-13 and last updated on 2026-06-17.

CVE-2015-0004

CVE-2015-0004 is a high-severity vulnerability in Microsoft Windows 7 with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Microsoft Windows 7
Published: 2015-01-13
Last modified: 2026-06-17

Description

The User Profile Service (aka ProfSvc) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges by conducting a junction attack to load another user's UsrClass.dat registry hive, aka MSRC ID 20674 or "Microsoft User Profile Service Elevation of Privilege Vulnerability."

Frequently asked questions

What is CVE-2015-0004?: The User Profile Service (aka ProfSvc) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges by conducting a junction attack to load another user's UsrClass.dat registry hive, aka MSRC ID 20674 or "Microsoft User Profile Service Elevation of Privilege Vulnerability."
How severe is CVE-2015-0004?: CVE-2015-0004 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2015-0004 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0004?: CVE-2015-0004 primarily affects Microsoft Windows 7. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0004?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-0004 published?: CVE-2015-0004 was published on 2015-01-13 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt:-:gold:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:gold:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:x64:*:*
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

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