CVE-2015-0016
Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2, Windows 7 SP1, Windows Server 2008 R2…
Browse: All 2015 CVEs · All vendors
- CVSS score
- 7.8 High
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2022-05-25, remediation due 2022-06-15)
- Weakness (CWE)
- CWE-22
- Published
- 2015-01-13
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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."
Affected products
- 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
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-06-15.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2015-0016-escaping-the-internet-explorer-sandbox/
- http://packetstormsecurity.com/files/130201/MS15-004-Microsoft-Remote-Desktop-Services-Web-Proxy-IE-Sandbox-Escape.html
- http://secunia.com/advisories/62076
- http://www.exploit-db.com/exploits/35983
- http://www.securityfocus.com/bid/71965
- http://www.securitytracker.com/id/1031524
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-004
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99515
FAQ
Is CVE-2015-0016 actively exploited?
Yes. CISA added CVE-2015-0016 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-05-25, with a federal remediation deadline of 2022-06-15. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2015-0016?
CVE-2015-0016 has a CVSS base score of 7.8 (High). Its vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2026-96951 — Microsoft Windows
- CVE-2026-81963 — Microsoft Windows
- CVE-2026-85880 — Microsoft Windows
- CVE-2008-4250 — Microsoft Windows
- CVE-2026-32202 — Microsoft Windows
- CVE-2025-60710 — Microsoft Windows
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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