CVE-2026-9977
📛 CVE Title
Debian: CVE-2026-9977: chromium -- security update
Description
Insufficient validation of untrusted input in WebShare in Google Chrome on Android prior to 148.0.7778.216 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
- —
- Assigner (CNA)
- —
- CVSS severity
- MEDIUM
- CVSS score
- 5.0 / 10
- CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C- Effective score
- 5.0 / 10 MEDIUM source: CNA overview
- CWE(s)
- —
- Reserved
- —
- Published
- 2026-06-01 00:00 UTC
- Last updated
- 2026-06-19 14:40 UTC
- Source
- https://www.rapid7.com/db/vulnerabilities/debian-cve-2026-9977/
- Linked Threat
- CVE-2026-9977 — CVE-2026-9977
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
- 2026-05-28 23:16:55 UTC
- NVD last modified
- 2026-06-17 11:05:56 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
- 0.0018 (probability of exploitation in next 30 days)
- EPSS percentile
- 8.22% vs all CVEs — higher = more likely to be exploited, as of 2026-06-29
NVD-assigned CWE(s):
CWE-20
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-06-30 09:16 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-2026-33119 - Assigner
- Chrome
- Published
- May 28, 2026, 10:25:43 PM
- Updated
- May 30, 2026, 3:57:13 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
- 0.1800
- Vendors
- Products
-
Chrome (148.0.7778.216 <148.0.7778.216)
- Aliases
-
GHSA-7x5x-m385-pfxv
ENISA description: Insufficient validation of untrusted input in WebShare in Google Chrome on Android prior to 148.0.7778.216 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 2026-08-15 03:02 UTC (source: CVRF).
- Release
- 2026-May
Microsoft remediations / KB articles (2)
- Release Notes — Vendor Fix / Security Update (fixed build 148.0.3967.97)
- 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 |
|---|---|---|
| 148.0.3967.97 | 05/31/2026 | 148.0.7778.216/217 |
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 — CPE 2.3 (2) 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:google:android:-:*:*:*:*:*:*:*
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (10)
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
- MSRC update guide: CVE-2026-9977 msrc
- https://www.first.org/epss/ tenable:www.first.org
- https://issues.chromium.org/issues/511741173 tenable:issues.chromium.org
- https://nvd.nist.gov/vuln/detail/CVE-2026-9977 tenable:nvd.nist.gov
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html rapid7:chromereleases.googleblog.com
- https://www.cve.org/CVERecord?id=CVE-2026-9977 rapid7:www.cve.org
- https://attackerkb.com/topics/CVE-2026-9977 rapid7:attackerkb.com
- http://cwe.mitre.org/data/definitions/20.html rapid7:cwe.mitre.org
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-33119 rapid7:euvd.enisa.europa.eu
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/2026/05/stable-channel-update-for-desktop_0877304591.html chrome-cve-admin@google.com Vendor Advisory
- https://issues.chromium.org/issues/511741173 chrome-cve-admin@google.com Permissions Required
Remediations (12)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
rapid7
google-chrome-upgrade-latest
2026-06-04 08:59 UTC -
rapid7
debian-upgrade-chromium
2026-06-04 08:57 UTC -
web:blogs.oracle.com
For more information about the Critical Security Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.
2026-06-19 02:30 UTC -
web:knowledge.broadcom.com
The intent of this article is to help customers that are using VMware vSphere 8.x address the most critical security vulnerabilities. Broadcom will provide all perpetual license customers, including those that have expired support contracts, with access to zero-day security patches, which are defined by Broadcom as patches for Critical Severity Security Alerts with a Common Vulnerability ...
2026-06-19 02:30 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-06-19 02:30 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 02:30 UTC -
web:securityvulnerability.io
Discover how insufficient input validation in Google Chrome's WebShare could lead to a remote code execution risk. Explore CVE-2026-9977 .
2026-06-19 02:30 UTC -
web:support.microsoft.com
The following summary outlines key issues addressed by this update. The bold text within the brackets indicates the item or area of the change. [Networking] Fixed: This update addresses a security issue in the Windows Routing and Remote Access Service (RRAS) management tool. If you connect to a malicious remote server, an attacker could disrupt the tool or run code on your device. For more ...
2026-06-19 02:30 UTC -
web:techcommunity.microsoft.com
UPDATE June 9, 2026 : Please see our release blog post for June 2026 Security Update for more information on this CVE : Released: June 2026 Exchange Server Security Updates | Microsoft Community Hub. On May 14, 2026 , Microsoft disclosed CVE - 2026 -42897, a reported vulnerability affecting Exchange Outlook Web Access (OWA). An attacker could exploit this issue by sending a specially crafted email ...
2026-06-19 02:30 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-06-19 02:30 UTC -
web:www.rapid7.com
Microsoft is publishing 200 vulnerabilities on June 2026 Patch Tuesday, including an HTTP/2 denial of service vulnerability and an elevation of privilege vulnerability in PowerToys.
2026-06-19 02:30 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-06-19 02:30 UTC
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