Microsoft · Windows
CVE-2015-0016
Microsoft Windows TS WebProxy Directory Traversal Vulnerability
What it is
Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to gain privileges via a crafted pathname in an executable file, as demonstrated by a transition from Low Integrity to Medium Integrity, aka "Directory Traversal Elevation of Privilege Vulnerability."
CISA: Directory traversal vulnerability in the TS WebProxy (TSWbPrxy) component in Microsoft Windows allows remote attackers to escalate privileges.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: June 15, 2022
- Added to the CISA list
- May 25, 2022
- Published
- January 13, 2015
- Severity
- High 7.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 76% in the top 0.5% of all known vulnerabilities
- Weakness
- CWE-22
- More details
- NVD · CVE.org · CISA
All references (9)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-004
- http://www.securityfocus.com/bid/71965
- http://www.securitytracker.com/id/1031524
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99515
- http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2015-0016-escaping-the-internet-explorer-sandb…
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99516
- http://www.exploit-db.com/exploits/35983
- http://secunia.com/advisories/62076
- http://packetstormsecurity.com/files/130201/MS15-004-Microsoft-Remote-Desktop-Services-Web-Proxy-IE-Sandbox-E…
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
| May 20, 2026 | Buffer Overflow | Windows | Critical 9.8 | 99% |
| Apr 28, 2026 | Protection Mechanism Failure | Windows | Medium 4.3 | 71% |
| Apr 13, 2026 | Out-of-Bounds Read | Windows | High 7.8 | 12% |
| Apr 13, 2026 | Link Following | Windows | High 7.8 | 4.6% |
| Feb 17, 2026 | Microsoft Windows Video ActiveX Control Remote Code Execution | Windows | High 8.8 | 77% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.