Which products and versions are affected by CVE-2016-3213?

Affected: Internet Explorer (Microsoft) versions 10, 11, 9; Windows 10 (Microsoft) versions 1511; Windows 7 (Microsoft), among others. The full list is in the CVE brief.

Is CVE-2016-3213 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2016-3213 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2016-3213?

No public exploit code is known.

Is there a fix for CVE-2016-3213?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2016-3213 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2016-3213

High

Published Jun 15, 2016 · Updated May 6, 2026

Key Facts

Patch immediately

CVE-2016-3213 is a high-severity vulnerability (CVSS 8.8 v3) affecting Internet Explorer (Microsoft), Windows 10 (Microsoft), Windows 7 (Microsoft) and 5 more products.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 67% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

8.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

67%

Higher than 99.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2016-3213 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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."

Affected Products

13 affected entries in total

Product	Affected versions	Fixed in
Internet ExplorerMicrosoft	10, 11, 9	n/a
Windows 10Microsoft	1511	n/a
Windows 7Microsoft	See advisory	n/a
Windows 8.1Microsoft	See advisory	n/a
Windows Rt 8.1Microsoft	See advisory	n/a

3 more affected products in the full CVE brief

Timeline

Publicly disclosed
Jun 15, 2016
Last updated
May 6, 2026

Weakness Type

CWE-264

References

otherMS16-063
otherMS16-077
other1036096
other1036104

FAQ

Common Questions.

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 remo…
Affected: Internet Explorer (Microsoft) versions 10, 11, 9; Windows 10 (Microsoft) versions 1511; Windows 7 (Microsoft), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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