Analyst readout for executives and security teams
Plain-English summary
This Chrome for Android flaw could let an attacker break out of Chrome’s renderer sandbox after already compromising the renderer. A victim would need to open a crafted HTML page. The impact could include access beyond the isolated browser process, but the provided sources do not show active exploitation.
Executive priority
Treat this as a high-priority mobile browser update. The flaw can support sandbox escape after renderer compromise, which raises business risk for Android users handling sensitive corporate data, even though active exploitation is not evidenced here.
Technical view
CVE-2026-9892 is an inappropriate implementation issue in Skia, mapped to CWE-269. Google describes it as affecting Chrome on Android before 148.0.7778.216, with possible sandbox escape from a compromised renderer via crafted HTML. CVSS 3.1 is 8.3 with high confidentiality, integrity, and availability impact.
Likely exposure
Organizations are exposed where Android users run Google Chrome versions earlier than 148.0.7778.216. Exposure depends on mobile browser inventory, update controls, and whether unmanaged personal Android devices access corporate services.
Exploitation context
The source bundle says exploitation requires a compromised renderer process and user interaction with a crafted HTML page. It is not listed as CISA KEV in the provided data, and no cited source confirms active exploitation.
Researcher notes
Evidence is limited to the CVE description, CVSS data, and Chromium references. The linked Chromium issue may have restricted details. Do not assume a standalone remote code execution path; the described path requires prior renderer compromise.
Mitigation direction
- Update Chrome on Android to 148.0.7778.216 or later.
- Check Google Chrome release guidance for any additional vendor instructions.
- Prioritize managed Android devices with corporate data access.
- Restrict access from devices with outdated Chrome where feasible.
Validation and detection
- Inventory Android Chrome versions across managed mobile devices.
- Confirm Chrome is at least 148.0.7778.216 on Android endpoints.
- Review mobile browser update compliance in MDM or endpoint tooling.
- Check whether corporate access policies allow unmanaged outdated Android browsers.
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-269: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-9892 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
- 8.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/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:C/C:H/I:H/A:H 1.6 6 CISA-ADP Vulnerability scoring details
Base CVSS 3.1 score
8.3 HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/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/513948178 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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.