Analyst readout for executives and security teams
Plain-English summary
A flaw in Google Chrome’s ANGLE component could let a malicious web page leak some cross-origin data from users running Chrome before 148.0.7778.216. It requires the user to visit a crafted page. The record shows no KEV listing or cited evidence of active exploitation.
Executive priority
Treat this as a timely browser update issue, not a crisis signal. Patch Chrome promptly because exploitation only requires visiting a malicious page, but current evidence does not show active exploitation or broader product impact.
Technical view
The CVE describes an integer overflow in ANGLE in Google Chrome prior to 148.0.7778.216. Attack vector is network, low complexity, no privileges, user interaction required, with low confidentiality impact only. The source labels Chromium severity Critical, while the supplied CVSS is 4.3 Medium.
Likely exposure
Exposure is likely wherever managed or unmanaged desktop Chrome remains below 148.0.7778.216. The source bundle does not confirm other browsers, mobile platforms, or downstream Chromium products as affected, so those should be validated through their vendors.
Exploitation context
Sources support a browser-based attack requiring a crafted HTML page and user interaction. There is no KEV listing and no provided source evidence of active exploitation. The documented impact is cross-origin data leakage, not code execution, integrity loss, or availability impact.
Researcher notes
The public record is sparse. It identifies ANGLE, integer overflow, crafted HTML, and cross-origin data leakage, but provides no exploit details, no confirmed exploitation, and no named mitigation beyond the fixed Chrome version. Severity metadata is mixed between Critical vendor severity and Medium CVSS.
Mitigation direction
- Update Google Chrome to 148.0.7778.216 or later.
- Prioritize managed desktop fleets with delayed browser updates.
- Check Google Chrome release guidance for any platform-specific instructions.
- Use browser management controls to enforce minimum Chrome versions.
- Review vendor advisories before assuming fixes for Chromium-derived browsers.
Validation and detection
- Inventory Chrome versions across endpoints and compare against 148.0.7778.216.
- Confirm update policy compliance in enterprise browser management tooling.
- Check whether high-risk users still run older desktop Chrome builds.
- Review web proxy or EDR telemetry for outdated Chrome user agents.
- Track the Chromium issue for any newly disclosed technical details.
Public sources used
Based on public source material and reviewed before publication.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2026-9882 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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.
SSVC decision data
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:L/I:N/A:N 2.8 1.4 CISA-ADP Vulnerability scoring details
Base CVSS 3.1 score
4.3 MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reserved CVE Program
The CVE ID was reserved by the assigning CNA.
- CVE published CVE Program
The CVE record was published.
- CVE updated CVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 source CVE List V5
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html CVE reference, Chrome
- https://issues.chromium.org/issues/506375217 CVE reference, Chrome
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.
CWE mapping pending import
This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.