CVE-2015-1643
Microsoft Windows Server 2003 R2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows...
Microsoft Windows Server 2003 R2, 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 do not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "NtCreateTransactionManager Type Confusion Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
Microsoft Windows Server 2003 R2, 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 do not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "NtCreateTransactionManager Type Confusion Vulnerability."
- Record
CVE-2015-1643- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Microsoft Windows Server 2003 R2, 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 do not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "NtCreateTransactionManager Type Confusion Vulnerability."
- Record
CVE-2015-1643- Updated
- 2026-11-02
EUVDEUVD-2015-1773 No score
Microsoft Windows Server 2003 R2, 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 do not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "NtCreateTransactionManager Type Confusion Vulnerability."
- Record
EUVD-2015-1773- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-437q-3ph9-fg6m No score
Microsoft Windows Server 2003 R2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows...
Microsoft Windows Server 2003 R2, 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 do not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "NtCreateTransactionManager Type Confusion Vulnerability."
- Record
GHSA-437q-3ph9-fg6m- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-1643 is a high vulnerability (CVSS 7.2) in Microsoft Windows 7, published April 14, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.72%, the 86th percentile. No source names a fixed version.