CVE-2026-59021: In multiple locations, there is a possible denial of service due to improper input validation

Routine

MEDIUM 6.2MITIGATE

CVE-2026-59021 is a medium-severity flaw (CVSS 6.2) affecting android. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In multiple locations, there is a possible denial of service due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.1% (top 100%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-11-02
Last modified	2026-11-04

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

Last updated 2026-11-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-11-02 20:17 UTCPublished CVE record published
2026-11-04 19:50 UTCUpdated Record last modified

google android MITIGATE

Affected: 14.0 · 15.0 · 16.0 · 16.0 qpr2 · 17.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.0

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.

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-59021 | Google Android up to 17 input validation 2026-11-02
Vulners Bulletins: CVE-2026-59021 2026-11-02
Vulners Bulletins: CVE-2026-59021 2026-11-02

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-2026-59021?

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

Is CVE-2026-59021 being exploited?

CVE-2026-59021 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-2026-59021 affect?

CVE-2026-59021 affects android. Severity is medium (CVSS 6.2). In multiple locations, there is a possible denial of service due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.

How urgent is CVE-2026-59021?

Priority 22/100. No elevated risk signals yet.

Software pages

Android vulnerabilities

Related CVEs

CVE-2026-59044 HIGH 8.4 MITIGATE In multiple locations, there is a possible use-after-free due to a logic error in the code
CVE-2026-59043 HIGH 7.4 MITIGATE In arm_lpae_split_blk_unmap of io-pgtable-arm-common.c, there is a possible memory corruption due to a race co
CVE-2026-59042 HIGH 7.4 MITIGATE In __pkvm_pages_to_ppages of mmu.c, there is a possible out-of-bounds write due to a race condition
CVE-2026-59031 MEDIUM 6.2 MITIGATE In InputDispatcher::flushSensor of InputDispatcher.cpp, there is a possible denial of service due to a logic e
CVE-2026-59028 HIGH 8.4 MITIGATE In resolveAidConflictLocked of RegisteredAidCache.java, there is a possible permission bypass due to a confuse

References

← Back to latest CVEs