Security readout for executives and security teams
Plain-English summary
CVE-2026-0628 is a high-severity Chrome flaw in WebView tag policy enforcement. If a user installs a malicious extension, that extension could inject scripts or HTML into a privileged page. The main business risk is compromise through browser extensions, especially on unmanaged endpoints or environments with loose extension controls.
Executive priority
Prioritize patching and extension control on managed endpoints. This is high severity, but current sources indicate user interaction is required and do not confirm active exploitation.
Technical view
Google describes insufficient policy enforcement in Chrome’s WebView tag before 143.0.7499.192. A crafted Chrome Extension, after user installation, could inject script or HTML into a privileged page. The CVE maps to CWE-862 and has CVSS 8.8, reflecting high confidentiality, integrity, and availability impact with user interaction required.
Likely exposure
Organizations using Google Chrome versions before 143.0.7499.192 may be exposed, especially where users can install extensions freely. Exposure is lower where Chrome is centrally updated and extension allowlists are enforced.
Exploitation context
The sources do not report active exploitation, and the CVE is not listed as KEV in the provided data. Exploitation requires convincing a user to install a malicious Chrome extension.
Researcher notes
The public description is limited. The linked Chromium issue may contain restricted details. Analysis should focus on version exposure, Chrome extension governance, and whether privileged WebView contexts are relevant in your environment.
Mitigation direction
- Update Google Chrome to 143.0.7499.192 or later where available.
- Review Google’s Chrome release guidance for any platform-specific update details.
- Restrict Chrome extension installation using enterprise policy where feasible.
- Audit installed extensions and remove untrusted or unnecessary extensions.
Validation and detection
- Inventory Chrome versions and identify systems below 143.0.7499.192.
- Confirm automatic Chrome updates are enabled and completing successfully.
- Review extension management policies for allowlisting or blocklisting controls.
- Check endpoints for unexpected or unapproved Chrome extensions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-0628 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop.htmlCVE reference
- https://issues.chromium.org/issues/463155954CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.