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."
CVE-2015-0016
Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 9.0(high)
- EG Risk
- 81(Attend)EG Risk 81/100SSVC: Attend
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity90% × 45%Exploitation100% × 40%Automatability0% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- 76%
- EPSS %ILE
- 99%
- KEV
- ⚠ Exploited
Published
January 13, 2015
Last Modified
April 22, 2026
Advisory Details (8)
Auto-updated May 19, 2026Microsoft Security Bulletin MS15-004 - Important | Microsoft Learn
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-004Microsoft Remote Desktop Services - Web Proxy IE Sandbox Escape (MS15-004) (Metasploit) - Windows local Exploit
http://www.exploit-db.com/exploits/35983Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 37× in last 7d / 202× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 423 total refreshes for this CVE.
- 2026-07-27 06:38 UTCGHSA enrichment
- 2026-07-27 02:39 UTCGHSA enrichment
- 2026-07-26 22:39 UTCGHSA enrichment
- 2026-07-26 18:40 UTCEG score recompute
- 2026-07-26 18:40 UTCGHSA enrichment
- 2026-07-26 14:50 UTCEPSS rescore
- 2026-07-26 14:40 UTCGHSA enrichment
- 2026-07-26 10:41 UTCEG score recompute
- 2026-07-26 10:41 UTCGHSA enrichment
- 2026-07-26 06:40 UTCGHSA enrichment
- 2026-07-26 02:40 UTCEG score recompute
- 2026-07-26 02:40 UTCGHSA enrichment
- 2026-07-24 14:13 UTCEPSS rescore
- 2026-07-23 01:15 UTCEG score recompute
- 2026-07-23 00:18 UTCEG score recompute
- 2026-07-22 21:52 UTCEG score recompute
- 2026-07-22 21:52 UTCGHSA enrichment
- 2026-07-22 19:40 UTCCISA KEV update
- 2026-07-22 17:24 UTCEG score recompute
- 2026-07-22 17:24 UTCGHSA enrichment
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-22 13:23 UTCGHSA enrichment
- 2026-07-22 09:24 UTCGHSA enrichment
- 2026-07-22 05:24 UTCGHSA enrichment
- 2026-07-22 01:18 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-07-21 18:54 UTCGHSA enrichment
- 2026-07-21 14:54 UTCGHSA enrichment
- 2026-07-21 14:37 UTCCISA KEV update
- 2026-07-21 10:55 UTCGHSA enrichment
- 2026-07-21 06:52 UTCGHSA enrichment
- 2026-07-21 02:52 UTCGHSA enrichment
- 2026-07-20 22:52 UTCGHSA enrichment
- 2026-07-20 18:52 UTCEG score recompute
- 2026-07-20 18:52 UTCGHSA enrichment
- 2026-07-20 17:03 UTCEPSS rescore
- 2026-07-20 14:54 UTCGHSA enrichment
- 2026-07-20 10:52 UTCGHSA enrichment
- 2026-07-20 06:53 UTCGHSA enrichment
- 2026-07-20 02:35 UTCGHSA enrichment
- 2026-07-19 22:35 UTCGHSA enrichment
- 2026-07-19 18:36 UTCGHSA enrichment
- 2026-07-19 14:37 UTCEG score recompute
- 2026-07-19 14:37 UTCGHSA enrichment
- 2026-07-19 14:27 UTCEPSS rescore
- 2026-07-19 14:27 UTCEPSS rescore
- 2026-07-19 10:38 UTCGHSA enrichment
- 2026-07-19 06:37 UTCGHSA enrichment
- 2026-07-19 02:38 UTCEG score recompute
- 2026-07-19 02:38 UTCGHSA enrichment
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-18 22:38 UTCGHSA enrichment
- 2026-07-18 18:39 UTCGHSA enrichment
- 2026-07-18 14:39 UTCGHSA enrichment
- 2026-07-18 10:39 UTCGHSA enrichment
- 2026-07-18 06:39 UTCGHSA enrichment
- 2026-07-18 02:40 UTCGHSA enrichment
- 2026-07-17 22:41 UTCGHSA enrichment
- 2026-07-17 18:42 UTCGHSA enrichment
- 2026-07-17 14:42 UTCGHSA enrichment
- 2026-07-17 10:43 UTCEG score recompute
- 2026-07-17 10:43 UTCGHSA enrichment
- 2026-07-17 06:43 UTCGHSA enrichment
- 2026-07-17 02:44 UTCGHSA enrichment
- 2026-07-16 22:45 UTCGHSA enrichment
- 2026-07-16 18:46 UTCGHSA enrichment
- 2026-07-16 17:04 UTCCISA KEV update
- 2026-07-16 14:46 UTCGHSA enrichment
- 2026-07-16 10:47 UTCGHSA enrichment
- 2026-07-16 06:46 UTCGHSA enrichment
- 2026-07-16 02:46 UTCGHSA enrichment
- 2026-07-15 22:46 UTCGHSA enrichment
- 2026-07-15 18:47 UTCGHSA enrichment
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-15 16:54 UTCEPSS rescore
- 2026-07-15 16:49 UTCCISA KEV update
- 2026-07-15 15:04 UTCCISA KEV update
- 2026-07-15 14:48 UTCGHSA enrichment
- 2026-07-15 10:48 UTCGHSA enrichment
- 2026-07-15 06:44 UTCGHSA enrichment
- 2026-07-15 02:45 UTCGHSA enrichment
- 2026-07-15 01:56 UTCEPSS rescore
- 2026-07-14 22:46 UTCGHSA enrichment
- 2026-07-14 18:45 UTCGHSA enrichment
- 2026-07-14 18:05 UTCCISA KEV update
- 2026-07-14 14:43 UTCGHSA enrichment
- 2026-07-14 10:44 UTCGHSA enrichment
- 2026-07-14 06:44 UTCGHSA enrichment
- 2026-07-14 02:42 UTCGHSA enrichment
- 2026-07-13 22:43 UTCGHSA enrichment
- 2026-07-13 18:44 UTCGHSA enrichment
- 2026-07-13 17:07 UTCCISA KEV update
- 2026-07-13 14:45 UTCGHSA enrichment
- 2026-07-13 10:46 UTCGHSA enrichment
- 2026-07-13 06:47 UTCGHSA enrichment
- 2026-07-13 02:47 UTCGHSA enrichment
- 2026-07-12 22:48 UTCGHSA enrichment
- 2026-07-12 18:49 UTCGHSA enrichment
- 2026-07-12 14:49 UTCGHSA enrichment
- 2026-07-12 10:50 UTCGHSA enrichment
Publicly available exploits
(2 references)Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-35983✓ verifiedFirst seen Feb 3, 2015
Microsoft Remote Desktop Services - Web Proxy IE Sandbox Escape (MS15-004) (Metasploit)
Open source ↗ - Metasploitexploit/windows/local/ms15_004_tswbproxy✓ verifiedFirst seen Jan 13, 2015
MS15-004 Microsoft Remote Desktop Services Web Proxy IE Sandbox Escape
Open source ↗
Related CVEs(same CWE)
Frequently asked(6)
What is CVE-2015-0016?
When was CVE-2015-0016 disclosed?
Is CVE-2015-0016 actively exploited?
What is the CVSS score of CVE-2015-0016?
Which products are affected by CVE-2015-0016?
How do I remediate CVE-2015-0016?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2015-0016
Is Your Infrastructure Affected by CVE-2015-0016?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.