VIR Vulnerability Intelligence Relay

CVE-2016-3213

high
Published 2016-06-16 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.8

Description

The Web Proxy Auto Discovery (WPAD) protocol implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold and 1511, and Internet Explorer 9 through 11 has an improper fallback mechanism, which allows remote attackers to gain privileges via NetBIOS name responses, aka "WPAD Elevation of Privilege Vulnerability."

Predictions

Exploit likelihood
92%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

auxiliary_server/netbios_spoof_nat rank 300
NetBIOS Response "BadTunnel" Brute Force Spoof (NAT Tunnel)
Source code queued for fetch — refresh in a moment.

OS impact
windows Windows Affected 4 releases
VersionStatusFixed in
r2 Affected —
1511 Affected —
- Affected —
— Affected —

Application impact
VendorProductVersionsFixed
windows microsoftinternet_explorer9
windows microsoftinternet_explorer10
windows microsoftinternet_explorer11

References

CWEs

CWE-264

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.