CVE-2015-6639

The Widevine QSEE TrustZone application in Android 5.x before 5.1.1 LMY49F and 6.0 before 2016-01...

7.8 HighPublic exploit

The Widevine QSEE TrustZone application in Android 5.x before 5.1.1 LMY49F and 6.0 before 2016-01-01 allows attackers to gain privileges via a crafted application that leverages QSEECOM access, aka internal bug 24446875.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

6.96%Up 4.4 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2015-6639
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-264
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-6639
Updated: 2026-11-02

EUVDEUVD-2015-6577 0.0

Record: EUVD-2015-6577
CVSS: 0.0 NoneCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gj2v-r3v2-9q7q 7.8

The Widevine QSEE TrustZone application in Android 5.x before 5.1.1 LMY49F and 6.0 before 2016-01...

Record: GHSA-gj2v-r3v2-9q7q
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

google android

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	QSEE - PRDiag* Commands Privilege Escalation	2016-05-02
PoC in GitHub	laginimaineb/ExtractKeyMaster	2016-06-30
PoC in GitHub	laginimaineb/cve-2015-6639	2016-05-02

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-6639 is a high vulnerability (CVSS 7.8) in Google Android, published January 6, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.96%, the 94th percentile. No source names a fixed version.