6.7
MEDIUM CVSS 3.1
CVE-2026-0027
ARM SMMU Out-of-Bounds Write Vulnerability
Description

In smmu_detach_dev of arm-smmu-v3.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

INFO

Published Date :

March 2, 2026, 7:16 p.m.

Last Modified :

March 6, 2026, 4:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-0027 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Google android
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Fix a use-after-free vulnerability in the SMMU driver to prevent out-of-bounds writes and privilege escalation.
  • Review and correct memory management in smmu_detach_dev.
  • Apply the vendor-provided patch for arm-smmu-v3.c.
  • Test the corrected driver for stability and security.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-0027 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-0027 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-0027 vulnerability anywhere in the article.

  • Help Net Security
Android’s March 2026 security patch fixes over 100 flaws, one under targeted exploitation

The Android March 2026 security patch addresses vulnerabilities across dozens of components and includes one CVE confirmed under active exploitation. Devices running a patch level of 2026-03-05 or lat ... Read more

Published Date: Mar 03, 2026 (2 weeks, 6 days ago)
  • The Hacker News
Google Confirms CVE-2026-21385 in Qualcomm Android Component Exploited

Google on Monday disclosed that a high-severity security flaw impacting an open-source Qualcomm component used in Android devices has been exploited in the wild. The vulnerability in question is CVE-2 ... Read more

Published Date: Mar 03, 2026 (2 weeks, 6 days ago)
  • Daily CyberSecurity
Security Alert: Android March 2026 Update Targets Actively Exploited Zero-Day

Google has released its most substantial security update in years, addressing a total of 129 vulnerabilities in the March 2026 Android Security Bulletin. The massive patch arrives amid warnings that a ... Read more

Published Date: Mar 03, 2026 (3 weeks ago)

The following table lists the changes that have been made to the CVE-2026-0027 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Mar. 06, 2026

    Action Type Old Value New Value
    Added Reference https://source.android.com/docs/security/bulletin/2026/2026-03-01
    Removed Reference https://source.android.com/security/bulletin/2026-03-01
    Removed Reference Type https://source.android.com/security/bulletin/2026-03-01 Types: Broken Link
  • Initial Analysis by [email protected]

    Mar. 03, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
    Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://android.googlesource.com/kernel/common/+/3af14d2057f2f3df97472cef6b293113b020d1e6 Types: Patch, Product
    Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://android.googlesource.com/kernel/common/+/5161b3e75fb025bb4ebb11fbf1ac037021e56719 Types: Patch, Product
    Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://android.googlesource.com/kernel/common/+/a47e0e78ad5b4e153b40fc1c9def11991aa6ca0c Types: Patch, Product
    Added Reference Type Android (associated with Google Inc. or Open Handset Alliance): https://source.android.com/security/bulletin/2026-03-01 Types: Broken Link
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 02, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-416
  • New CVE Received by [email protected]

    Mar. 02, 2026

    Action Type Old Value New Value
    Added Description In smmu_detach_dev of arm-smmu-v3.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
    Added Reference https://android.googlesource.com/kernel/common/+/3af14d2057f2f3df97472cef6b293113b020d1e6
    Added Reference https://android.googlesource.com/kernel/common/+/5161b3e75fb025bb4ebb11fbf1ac037021e56719
    Added Reference https://android.googlesource.com/kernel/common/+/a47e0e78ad5b4e153b40fc1c9def11991aa6ca0c
    Added Reference https://source.android.com/security/bulletin/2026-03-01
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.