CVE-2018-5855

While padding or shrinking a nested wmi packet in all Android releases from CAF using the Linux...

9.8 Critical

While padding or shrinking a nested wmi packet in all Android releases from CAF using the Linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-07-05, a buffer over-read can potentially occur.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.12%Up 0.7 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2018-5855
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-5855
Updated: 2026-11-02

EUVDEUVD-2018-17622 No score

Record: EUVD-2018-17622
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xp2v-6m36-vc7m 9.8

While padding or shrinking a nested wmi packet in all Android releases from CAF using the Linux...

Record: GHSA-xp2v-6m36-vc7m
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-125
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

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

In short

CVE-2018-5855 is a critical vulnerability (CVSS 9.8) in Google Android, published July 6, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. No source names a fixed version.