Microsoft Edge PrivateQueryInterface memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Microsoft Edge (Web Browser) (unknown version). Affected by this issue is the function CBaseScriptable::PrivateQueryInterface. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 06/14/2016. The weakness was disclosed 06/14/2016 by puzzor with Zero Day Initiative (ZDI) as MS16-068 as confirmed bulletin (Technet). The advisory is shared for download at This vulnerability is handled as CVE-2016-3222 since 03/15/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.

The exploit is available at It is declared as proof-of-concept. As 0-day the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 91597 (MS16-068: Cumulative Security Update for Microsoft Edge (3163656)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91233 (Microsoft Edge Cumulative Security Update (MS16-068)).

Applying the patch MS16-068 is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91597) and Exploit-DB (40880). is providing further details. The entries 87925, 87926, 87927 and 87928 are pretty similar.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
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NVD Base Score: 8.8
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 91597
Nessus Name: MS16-068: Cumulative Security Update for Microsoft Edge (3163656)
Nessus File: 🔍
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OpenVAS ID: 71972
OpenVAS Name: Microsoft Edge Multiple Vulnerabilities (3163656)
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Threat Intelligenceinfo

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Recommended: Patch
Status: 🔍

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Patch: MS16-068


03/15/2016 🔍
06/14/2016 +91 days 🔍
06/14/2016 +0 days 🔍
06/14/2016 +0 days 🔍
06/14/2016 +0 days 🔍
06/14/2016 +0 days 🔍
06/15/2016 +1 days 🔍
06/16/2016 +1 days 🔍
08/23/2022 +2259 days 🔍



Advisory: MS16-068
Researcher: puzzor
Organization: Zero Day Initiative (ZDI)
Status: Confirmed

CVE: CVE-2016-3222 (🔍)

SecurityTracker: 1036099
SecurityFocus: 91094 - Microsoft Edge CVE-2016-3222 Scripting Engine Remote Memory Corruption Vulnerability

scip Labs:
Misc.: 🔍
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Created: 06/16/2016 04:22 PM
Updated: 08/23/2022 04:58 PM
Changes: 06/16/2016 04:22 PM (72), 06/17/2019 11:52 AM (17), 08/23/2022 04:58 PM (3)
Complete: 🔍


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