CVE-2026-28618: In dec_frm_prepare of oapv.c, there is a possible OOB write due to a heap buffer overflow

This month

HIGH 8.8MITIGATE

CVE-2026-28618 is a high-severity flaw (CVSS 8.8) affecting android. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In dec_frm_prepare of oapv.c, there is a possible OOB write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-122, CWE-787
Published	2026-09-08
Last modified	2026-09-15

Publisher (CNA): Android (associated with Google Inc. or Open Handset Alliance) · Vendor: google

Last updated 2026-09-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-08 19:17 UTCPublished CVE record published
2026-09-15 14:24 UTCUpdated Record last modified

google android MITIGATE

Affected: 16.0 · 16.0 qpr2 · 17.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 16.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-28618?

android: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-28618 being exploited?

CVE-2026-28618 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-28618 affect?

CVE-2026-28618 affects android. Severity is high (CVSS 8.8). In dec_frm_prepare of oapv.c, there is a possible OOB write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

How urgent is CVE-2026-28618?

Priority 40/100. High severity

Software pages

Android vulnerabilities

Related CVEs

CVE-2026-21009 MEDIUM 6.8 MITIGATE Improper check for exceptional conditions in Recents prior to SMR Apr-2026 Release 1 allows physical attacker
CVE-2026-21003 MEDIUM 6.8 MITIGATE Improper input validation in data related to network restrictions prior to SMR Apr-2026 Release 1 allows physi
CVE-2026-21007 MEDIUM 6.8 MITIGATE Improper check for exceptional conditions in Device Care prior to SMR Apr-2026 Release 1 allows physical attac
CVE-2026-21011 MEDIUM 6.8 MITIGATE Incorrect privilege assignment in Bluetooth in Maintenance mode prior to SMR Apr-2026 Release 1 allows physica
CVE-2026-21008 MEDIUM 6.5 MITIGATE Exposure of sensitive information in S Share prior to SMR Apr-2026 Release 1 allows adjacent attacker to acces

References

← Back to latest CVEs