SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-2465

The Windows shell in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 does not properly constrain impersonation levels, which…

LOW 2.1EPSS 1.97%

Does this matter?

Lower severity and a low EPSS score (1.97%). Track it; it rarely justifies an emergency change on its own.

Description

The Windows shell in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 does not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "Windows Shell Security Feature Bypass Vulnerability."

CVSS 2.0
2.1 LOWAV:L/AC:L/Au:N/C:N/I:P/A:N
EPSS
1.97% probability · 80th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-264
Affected
microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8 · microsoft/windows 8.1 · microsoft/windows rt · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista
Source
secure@microsoft.com
EPSS trend
0%3%5%26 October 2026: 1.97%26 October 202626 October 2026

EPSS 2.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.