CVE-2015-0016
Microsoft Windows TS WebProxy Directory Traversal Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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."
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 75.78% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 3 February 2015
- CISA KEV
- Listed 25 May 2022 · due 15 June 2022
- Weakness
- CWE-22
- Affected
- 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 75.8% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2015-0016
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2015-0016-escaping-the-internet-explorer-sandbox/Exploit
- http://packetstormsecurity.com/files/130201/MS15-004-Microsoft-Remote-Desktop-Services-Web-Proxy-IE-Sandbox-Escape.htmlExploit, Third Party Advisory, VDB Entry
- http://secunia.com/advisories/62076Broken Link
- http://www.exploit-db.com/exploits/35983Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/71965Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1031524Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-004Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99515Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99516Third Party Advisory, VDB Entry
- http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2015-0016-escaping-the-internet-explorer-sandbox/Exploit
- http://packetstormsecurity.com/files/130201/MS15-004-Microsoft-Remote-Desktop-Services-Web-Proxy-IE-Sandbox-Escape.htmlExploit, Third Party Advisory, VDB Entry
- http://secunia.com/advisories/62076Broken Link
- http://www.exploit-db.com/exploits/35983Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/71965Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1031524Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-004Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99515Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99516Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-0016US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.