The UNC implementation 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 does not include authentication from the server to the client, which allows remote attackers to execute arbitrary code by making crafted data available on a UNC share, as demonstrated by Group Policy data from a spoofed domain controller, aka "Group Policy Remote Code Execution Vulnerability."
Published Feb 11, 2015
8.3
HIGHCVSS 2.0
EPSS 28.58%
Description
The UNC implementation 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 does not include authentication from the server to the client, which allows remote attackers to execute arbitrary code by making crafted data available on a UNC share, as demonstrated by Group Policy data from a spoofed domain controller, aka "Group Policy Remote Code Execution Vulnerability."
Affected products
No data.
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- r2
- r2
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- r2
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:A/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 28.58% (0.28580) | 98.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 28.58% (0.28580) | 97.88th | v5 (v2026.06.15) |
| Jul 5, 2025 | 9.42% (0.09423) | 92.41th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.49% (0.12492) | 93.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.80% (0.14803) | 90.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.49% (0.12492) | 93.38th | v4 (v2025.03.14) |
| Dec 17, 2024 | 87.43% (0.87427) | 98.89th | v3 (v2023.03.01) |
| Nov 7, 2024 | 59.18% (0.59183) | 97.83th | v3 (v2023.03.01) |
| Sep 23, 2024 | 51.70% (0.51704) | 97.61th | v3 (v2023.03.01) |
| Oct 18, 2023 | 31.11% (0.31112) | 96.45th | v3 (v2023.03.01) |
| Jul 26, 2023 | 31.90% (0.31902) | 96.42th | v3 (v2023.03.01) |
| Mar 12, 2023 | 28.09% (0.28088) | 96.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 19.80% (0.19800) | 95.49th | v3 (v2023.03.01) |
| Mar 6, 2023 | 79.55% (0.79545) | 99.48th | v2 (v2022.01.01) |
| Feb 4, 2022 | 79.55% (0.79545) | 99.38th | v2 (v2022.01.01) |
References (8)
- http://blogs.technet.com/b/srd/archive/2015/02/10/ms15-011-amp-ms15-014-hardening-group-policy.aspx x_refsource_CONFIRMPatchVendor Advisory
- http://packetstormsecurity.com/files/155002/Microsoft-Windows-Server-2012-Group-Policy-Remote-Code-Execution.html x_refsource_MISC
- http://www.kb.cert.org/vuls/id/787252 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/72477 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1031719 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-011 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100426 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://www.jasadvisors.com/additonal-jasbug-security-exploit-info/ x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://blogs.technet.com/b/srd/archive/2015/02/10/ms15-011-amp-ms15-014-hardening-group-policy.aspx | x_refsource_CONFIRMPatchVendor Advisory | |
| http://packetstormsecurity.com/files/155002/Microsoft-Windows-Server-2012-Group-Policy-Remote-Code-Execution.html | x_refsource_MISC | |
| http://www.kb.cert.org/vuls/id/787252 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.securityfocus.com/bid/72477 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1031719 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-011 | vendor-advisoryx_refsource_MSPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/100426 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://www.jasadvisors.com/additonal-jasbug-security-exploit-info/ | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.