CVE-2026-3909

Description

Out of bounds write in Skia in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Overview

State: PUBLISHED
Assigner (CNA): Chrome
CVSS severity: —
CVSS score: —
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Effective score: 8.8 / 10 HIGH source: NVD
CWE(s): CWE-787
Reserved: 2026-03-11
Published: 2026-03-12 22:30 UTC
Last updated: 2026-03-24 22:17 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3909.json
Linked Threat: CVE-2026-3909 — Google Skia: Google Skia Out-of-Bounds Write Vulnerability

CISA Known Exploited Vulnerabilities CISA KEV

CISA has confirmed in-the-wild exploitation of this CVE. Federal agencies must remediate by the due date below; private orgs should treat it as priority-1.

Vulnerability name: Google Skia Out-of-Bounds Write Vulnerability
Vendor / project: Google
Product: Skia
Date added to KEV: 2026-03-13
Remediation due: 2026-03-27
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware campaign use: Unknown
CISA notes: This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-3909
CISA listing: www.cisa.gov/known-exploited-vulnerabilities-catalog

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-03-13 19:55:11 UTC
NVD last modified: 2026-03-25 14:05:38 UTC
NVD CVSS v3.1: 8.8 / 10 HIGH source: nvd@nist.gov
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 2.8 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0045 (probability of exploitation in next 30 days)
EPSS percentile: 64.00% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-11734
Assigner: Chrome
Published: Mar 12, 2026, 9:30:51 PM
Updated: Mar 24, 2026, 9:17:08 PM
EUVD base score (CVSS 3.1): 8.8 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS: 0.4500
Vendors: Google
Products: Chrome (146.0.7680.75 <146.0.7680.75)
Aliases: GHSA-vmc5-xpp6-2j82

ENISA description: Out of bounds write in Skia in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

EUVD references (2)

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-07-15 03:01 UTC (source: CVRF).

Release: 2026-Mar

Microsoft remediations / KB articles (2)

Release Notes — Vendor Fix / Security Update (fixed build 146.0.3856.62)
https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security — None Available / Release Notes

Microsoft FAQ (2)

Why is this Chrome CVE included in the Security Update Guide?

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

How can I see the version of the browser?

In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft Edge

What is the version information for this release?

Microsoft Edge Version	Date Released	Based on Chromium Version
146.0.3856.62	03/16/2026	146.0.7680.80

Affected products (1)

Vendor	Product	Versions	Platforms
Google	Chrome	`146.0.7680.75` (affected)	—

Affected products — CPE 2.3 (4) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Vendor references (2)

References embedded in the original CVE record by the assigning CNA.

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://issues.chromium.org/issues/491421267

Web references (8)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

None Available msrc
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3909 rapid7:msrc.microsoft.com
https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.html rapid7:chromereleases.googleblog.com
http://cwe.mitre.org/data/definitions/787.html rapid7:cwe.mitre.org
https://www.cve.org/CVERecord?id=CVE-2026-3909 rapid7:www.cve.org
https://attackerkb.com/topics/CVE-2026-3909 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-11734 rapid7:euvd.enisa.europa.eu
https://security.alpinelinux.org/vuln/CVE-2026-3909 rapid7:security.alpinelinux.org

NVD-tagged references (3)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.html chrome-cve-admin@google.com Release NotesVendor Advisory
https://issues.chromium.org/issues/491421267 chrome-cve-admin@google.com Permissions Required
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3909 134c704f-9b21-4f2e-91b3-4a467353bcc0 US Government Resource

Indicators (2)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
cwe	`CWE-787`	no local data	2026-05-14 02:58 UTC
cve	`CVE-2026-3909`	no local data	2026-05-14 02:58 UTC

Remediations (11)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CISA Warns of Exploited Microsoft Defender 0-Day Flaws

web:cyberpress.org

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .

2026-05-23 20:16 UTC
NVD - cve-2026-3909

web:nvd.nist.gov

An official website of the United States government Here's how you know

2026-05-23 20:16 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-23 20:16 UTC
CVE-2026-3909 - vulmon.com

web:vulmon.com

The bugs, tracked as CVE-2026-3909 and CVE - 2026 -3910, affect core components of the browser and have prompted the usual warning from Google that technical details will remain under wraps until most users have updated. "Access to bug details and links may be kept restricted until a majority of users are updated with a fix . We will also re...

2026-05-23 20:16 UTC
Update Google Chrome now to fix two more zero-day security vulnerabilities

web:www.howtogeek.com

These are zero-day security vulnerabilities, meaning they have been found on web pages, instead of being theoretical bugs. Google said in its blog post, "Google is aware that exploits for both CVE-2026-3909 & CVE - 2026 -3910 exist in the wild." Google Chrome should automatically update when the fix is available, as with all Chrome updates—just allow the browser to restart when it asks for ...

2026-05-23 20:16 UTC
[updated] Google patches two Chrome zero-days under active attack

web:www.malwarebytes.com

Google has released an out-of-band Chrome update to patch two zero-day vulnerabilities that are already being actively exploited.

2026-05-23 20:16 UTC
Emergency patch issued for Microsoft Office, 365 over hacking threat - MSN

web:www.msn.com

Original story: Microsoft has released an emergency patch for a vulnerability in the company's Office programs that's already being exploited by hackers.

2026-05-23 20:16 UTC
Microsoft fixes 167 security flaws in April, second biggest Patch ...

web:www.pcworld.com

This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in Windows and Remote Desktop.

2026-05-23 20:16 UTC
CVE-2026-3909: Google Chrome RCE Vulnerability - SentinelOne

web:www.sentinelone.com

CVE-2026-3909 is a remote code execution vulnerability in Google Chrome. Learn about its impact, affected versions, and mitigation methods.

2026-05-23 20:16 UTC
Windows 11 April 2026 Update tested: What's new, improved and fixed

web:www.windowslatest.com

Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.

2026-05-23 20:16 UTC
CISA Required Action

CISA KEV

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2026-03-27 Known ransomware campaign use: Unknown

2026-05-14 01:13 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-3909.json.

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