CVE-2026-10921
📛 CVE Title
CVE-2026-10921
Description
Integer overflow in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Chrome
- CVSS severity
- high
- CVSS score
- 8.3 / 10
- CVSS vector
AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H- Effective score
- 8.3 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-472 - Reserved
- 2026-06-04
- Published
- 2026-06-04 23:03 UTC
- Last updated
- 2026-06-05 01:41 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10921.json
- Linked Threat
- CVE-2026-10921 — CVE-2026-10921
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
- 2026-06-04 23:16:54 UTC
- NVD last modified
- 2026-07-22 20:10:00 UTC
- NVD CVSS v3.1
- 8.3 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
- NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H- Exploitability subscore
- 1.6 / 10
- Impact subscore
- 6.0 / 10
- EPSS score
- 0.0029 (probability of exploitation in next 30 days)
- EPSS percentile
- 20.83% vs all CVEs — higher = more likely to be exploited, as of 2026-07-26
NVD-assigned CWE(s):
CWE-472,
CWE-190
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-07-26 22:00 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
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-2026-34370 - Assigner
- Chrome
- Published
- Jun 4, 2026, 11:03:39 PM
- Updated
- Jun 5, 2026, 1:41:24 AM
- EUVD base score (CVSS 3.1)
-
8.3 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H - EUVD-reported EPSS
- 0.2900
- Vendors
- Products
-
Chrome (149.0.7827.53 <149.0.7827.53)
- Aliases
-
GHSA-h7gm-jhf8-grrp
ENISA description: Integer overflow in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
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 2026-07-23 03:00 UTC (source: CVRF).
- Release
- 2026-Jun
Microsoft remediations / KB articles (2)
- Release Notes — Vendor Fix / Security Update (fixed build 149.0.4022.52)
- https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security — None Available / Release Notes
Microsoft FAQ (2)
What is the version information for this release?
| Microsoft Edge Version | Date Released | Based on Chromium Version |
|---|---|---|
| 149.0.4022.52 | 06/05/2026 | 149.0.7827.54 |
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
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Chrome |
149.0.7827.53 (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.
Web references (7)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- MSRC update guide: CVE-2026-10921 msrc
- None Available msrc
- https://issues.chromium.org/issues/499159695 tenable:issues.chromium.org
- https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html tenable:chromereleases.googleblog.com
- https://nvd.nist.gov/vuln/detail/CVE-2026-10921 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-10921 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (2)
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/2026/06/stable-channel-update-for-desktop.html chrome-cve-admin@google.com Release NotesVendor Advisory
- https://issues.chromium.org/issues/499159695 chrome-cve-admin@google.com Permissions Required
Remediations (20)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:bloodmallet.com
The easiest way to use SimulationCraft. A resource for World of Warcraft players
2026-06-08 15:59 UTC -
web:en-forum.guildwars2.com
05/12/2026—May 12 Release Notes Note to users of third-party programs: The game may not launch or work properly after we release a new build if you use a third-party program, due to possible incompatibilities. ArenaNet cannot offer support if a third-party modification breaks, interferes with, or ...
2026-06-08 15:59 UTC -
web:federalnewsnetwork.com
The problem is most severe in operational technology (OT) environments. In these systems, a security fix often carries more risk than the bug it's meant to address. When a patch threatens the stability of a mission-critical service, the result is a dangerous, if necessary, paralysis. We need to stop treating speed as the only metric of success. The asymmetry of time Federal networks are a ...
2026-06-08 15:59 UTC -
web:hi.service-now.com
ServiceNow 24/7 Support Available Patches Australia Patch 2 Hot Fix 1 Zurich Patch 9 Hot Fix 1 See more for product documentation
2026-06-08 15:59 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-06-08 15:59 UTC -
web:support.google.com
On your computer, go to gmail.com. Enter your Google Account email address or phone number and password. If information is already filled in and you need to sign in to a different
2026-06-08 15:59 UTC -
web:wa.me
Hosted by WhatsApp 2026 © WhatsApp LLC Privacy & Terms
2026-06-08 15:59 UTC -
web:warcraftmounts.com
Patch 12.0.5 - mounts listed by source.
2026-06-08 15:59 UTC -
web:www.gamesradar.com
Devs can "keep expanding upon Terraria, without having to fall back to price increases or microtransactions"
2026-06-08 15:59 UTC -
web:www.virustotal.com
VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.
2026-06-08 15:59 UTC -
web:cybersecuritynews.com
Microsoft has officially acknowledged a critical zero-day vulnerability in Microsoft Defender, publicly dubbed "RoguePlanet," and confirmed it is actively developing a security patch to address the flaw.
2026-06-19 02:35 UTC -
web:guide.sonatype.com
Technical security analysis for CVE-2026-10921 . CVSS 8.3 severity. View CVSS vectors, CWE classifications, and exploit maturity ratings.
2026-06-19 02:35 UTC -
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.
2026-06-19 02:35 UTC -
web:support.microsoft.com
This cumulative update for Windows 11, version 25H2 and 24H2 (KB5094126) includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. Visit the Windows release health dashboard for the latest status on this release.
2026-06-19 02:35 UTC -
web:tech.yahoo.com
Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.
2026-06-19 02:35 UTC -
web:www.action1.com
Patch Tuesday is a scheduled release day for software patches, primarily used by Microsoft, to fix security vulnerabilities, bugs, and performance issues in its software products like Windows, Office, and Azure. It occurs monthly and aims to standardize the process of delivering security updates to ensure devices remain protected.
2026-06-19 02:35 UTC -
web:www.computerworld.com
Microsoft says it is considering a patch for a zero-day vulnerability, dubbed YellowKey, that allows attackers with access to a Windows device to bypass Bitlocker encryption protection and read ...
2026-06-19 02:35 UTC -
web:www.csoonline.com
Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or ...
2026-06-19 02:35 UTC -
web:www.linkedin.com
Microsoft has confirmed that it is developing a security update to address a newly disclosed zero-day vulnerability in Microsoft Defender, following the public release of exploit code that ...
2026-06-19 02:35 UTC -
web:www.malwarebytes.com
Microsoft says it's working on a fix for an unpatched Defender vulnerability that can give attackers the highest level of access on Windows.
2026-06-19 02:35 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-10921.json.
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
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"timestamp": "2026-06-05T01:38:46.584147Z",
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{
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