Analyst readout for executives and security teams
Plain-English summary
CVE-2026-9910 is a high-severity Chrome vulnerability in ANGLE, the graphics translation layer. A malicious HTML page could trigger out-of-bounds memory access and run code inside Chrome’s sandbox. The available sources do not show active exploitation, but browser reach and low attack complexity make prompt update important.
Executive priority
Treat this as a priority browser update, not an emergency zero-day response. The impact is serious, but current supplied evidence does not show known exploitation. Complete enterprise Chrome updates quickly and verify coverage across all managed endpoints.
Technical view
Google describes out-of-bounds memory access in ANGLE in Chrome before 148.0.7778.216. The CVSS 3.1 score is 8.8, with network attack vector, low complexity, no privileges required, and user interaction required. The CVE maps to CWE-125 and CWE-787, indicating out-of-bounds read and write classes.
Likely exposure
Organizations are exposed where desktop Chrome is older than 148.0.7778.216. Exposure depends on user browsing activity, because exploitation requires a crafted HTML page and user interaction. The bundle does not identify other affected Chromium-based products.
Exploitation context
The provided sources describe remote code execution inside a sandbox via crafted HTML. KEV is false, and no cited source states active exploitation. The Chromium issue may contain additional details, but the supplied evidence does not confirm public exploit availability or exploitation in the wild.
Researcher notes
Focus validation on version state and asset coverage. The vulnerability is in ANGLE and involves out-of-bounds memory access, but the bundle does not provide root-cause detail, patch diff analysis, or a reliable exploit status. Avoid extrapolating beyond Google Chrome desktop before 148.0.7778.216.
Mitigation direction
- Update Google Chrome to 148.0.7778.216 or later.
- Prioritize managed desktops, VDI images, and high-risk user groups.
- Verify browser auto-update policies are enabled and functioning.
- Check Google Chrome release guidance for any additional vendor instructions.
- Avoid claiming remediation for other Chromium products without vendor confirmation.
Validation and detection
- Inventory Chrome desktop versions across managed endpoints.
- Confirm all Chrome installations report 148.0.7778.216 or later.
- Review vulnerability scanner results for CVE-2026-9910 coverage.
- Check endpoint management dashboards for update failures or pinned versions.
- Monitor vendor advisories for updated exploit or affected-product information.
Public sources used
Based on public source material and reviewed before publication.
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-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-9910 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.
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:H/I:H/A:H 2.8 5.9 CISA-ADP Vulnerability scoring details
Base CVSS 3.1 score
8.8 HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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/499176133 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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.