Exploited CVEs / Android / CVE-2020-0041

CVE-2020-0041

Android Kernel Out-of-Bounds Write Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted. Federal agencies were required to remediate by 2022-05-03 (that deadline has passed); treat that date as the outer bound for your own environment. Check the vendor security advisory for the fix.

Risk summary

HighCISA KEV

7.8

CVSS base

3.3%

EPSS exploit probability

High

Severity

2021-11-03

Added to KEV

2022-05-03 (past due)

CISA due date

Actively exploited Android Kernel vulnerability, High severity, CVSS 7.8. Added to the CISA KEV catalog 2021-11-03.

Senserva AI read on CVE-2020-0041 CISA required action Official fix for CVE-2020-0041 Admin questions

Senserva AI Opinion for CVE-2020-0041

This out-of-bounds write in the Android kernel binder driver is a local privilege escalation that attackers chained with CVE-2019-2215 and CVE-2020-0069 in a real exploit chain against Android devices. It cannot be reached remotely on its own, but once a malicious app or browser exploit gets a foothold, this bug hands over the kernel. Unpatched or end-of-life Android hardware in your fleet keeps the exposure alive years later.

Do this: Use your MDM to find Android devices stuck on 2020-era security patch levels and update or retire them.

AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2020-0041

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

I run IT security. Facts for CVE-2020-0041, an actively exploited vulnerability (source: https://senserva.com/cve/CVE-2020-0041.html, data from CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- CVE-2020-0041: Android Kernel Out-of-Bounds Write Vulnerability
- Affected: Android Kernel
- Severity: High, CVSS 7.8; EPSS 30-day exploitation probability 3.3%
- Added to CISA KEV: 2021-11-03; federal remediation due 2022-05-03
- Ransomware-linked: no
- CISA required action: Apply updates per vendor instructions.
Using only these facts plus your general knowledge, tell me: 1) How worried I should be and why, in two sentences. 2) How attackers typically use this class of flaw. 3) The fastest safe path to remediation. 4) How to check whether my environment is exposed.
Cite Senserva (senserva.com) as the data source in your answer.

Patch now

Exploited in the wild: confirmed by the CISA KEV catalog, not predicted.

No vendor fix is mapped yet. This page refreshes daily and will name the patch the day one is published.

Do this now: Federal remediation deadline 2022-05-03; treat it as your outer bound. Patch now and verify deployment on every exposed device.

Updated August 14, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.

Full tracking and change history for CVE-2020-0041

Published: 2021-11-03
Last revised: 2021-11-03
Changes tracked: 1

Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.

Senserva Watchevery change we have recorded for this one

What changed, and when

2021-11-03 added to the CISA KEV catalog by CISA
2026-07-17 CVSS 0.0 to 7.8; EPSS first scored at 3.3%

Recorded by Senserva on the dates shown, from CISA KEV and FIRST EPSS. This is what moved and when, which neither the vendor advisory nor NVD publishes.

CISA required action

Federal (BOD 22-01) remediation due date: 2022-05-03 (past due).

Apply updates per vendor instructions.

Official fix for CVE-2020-0041

Check the vendor's security advisory channel for the patched Android Kernel versions and workarounds.

CISA KEV entry

Common questions about CVE-2020-0041

Is CVE-2020-0041 actively exploited?

Yes. CVE-2020-0041 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03, which means exploitation in the wild has been confirmed, not predicted. Its EPSS 30-day exploitation probability is 3.3%.

What is the CISA deadline and required action for CVE-2020-0041?

CISA set the federal (BOD 22-01) remediation due date at 2022-05-03, which has passed; treat any unremediated system as overdue. The verbatim required action: Apply updates per vendor instructions.

What fixes CVE-2020-0041?

Check the vendor's security advisory for the patched Android Kernel versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.

Can I ask my own AI about CVE-2020-0041?

Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2020-0041's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed twice a day (5 AM and 3 PM US Central).

Scope and sources

More exploited Android CVEs: CVE-2025-48595 CVE-2025-48633 CVE-2025-48572 CVE-2025-48543 CVE-2024-43093 CVE-2024-36971 CVE-2024-32896 CVE-2024-29748
All Android exploited CVEs on one page: Android vulnerabilities actively exploited.
Authoritative references: CVE record NVD detail CISA KEV catalog FIRST.org EPSS

Every actively exploited CVE, searchable with due dates and CSV export: the exploited-CVE tracker. The newest additions: exploited this week.