Analyst readout for executives and security teams
Plain-English summary
This is a high-severity Chrome for Mac flaw in the GPU component. A malicious web page could let an attacker run code, but the source says the attacker first needs a compromised renderer process and user interaction. No provided source states active exploitation.
Executive priority
Treat as a high-priority browser patching item for Mac fleets. The business risk is code execution from web content, balanced by the stated renderer-compromise prerequisite and no confirmed active exploitation in the provided evidence.
Technical view
CVE-2026-9922 is a CWE-416 use-after-free in Chrome GPU on Mac before 148.0.7778.216. The CVSS 3.1 vector is 7.5, network-reachable, high complexity, no privileges required, user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure appears limited to Google Chrome on macOS versions prior to 148.0.7778.216. Organizations with unmanaged Macs, delayed browser updates, or incomplete browser inventory are more likely to have residual exposure.
Exploitation context
The sources describe remote arbitrary code execution via a crafted HTML page after renderer compromise. CISA KEV status is false in the provided bundle, and no cited source confirms exploitation in the wild.
Researcher notes
Evidence is sparse beyond the CVE description and Chrome release reference. The Chromium issue may contain restricted details. Do not assume affected platforms beyond Mac or exploit maturity beyond the supplied sources.
Mitigation direction
- Update Chrome for Mac to 148.0.7778.216 or later when available.
- Confirm Chrome auto-update is enabled across managed macOS endpoints.
- Prioritize users exposed to untrusted web content or unmanaged browsing.
- Monitor Google Chrome release guidance for any revised fix details.
Validation and detection
- Inventory Chrome versions on all macOS endpoints.
- Flag any Chrome for Mac version earlier than 148.0.7778.216.
- Confirm updated endpoints report the fixed version after restart.
- Review browser management telemetry for update failures or paused updates.
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-416: 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-2026-9922 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/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:H/PR:N/UI:R/S:U/C:H/I:H/A:H 1.6 5.9 CISA-ADP Vulnerability scoring details
Base CVSS 3.1 score
7.5 HighVector: CVSS:3.1/AV:N/AC:H/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/500187083 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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.