Security readout for executives and security teams
Plain-English summary
CVE-2026-10015 is a high-severity Chrome flaw where a malicious web page could cause code execution inside Chrome’s sandbox. It needs user interaction, such as visiting crafted HTML, but browsers are exposed to untrusted content daily, so managed Chrome fleets should update quickly.
Executive priority
High priority for endpoint patching. The issue can lead to code execution from web content, though inside Chrome’s sandbox and with user interaction required. Absence from KEV lowers emergency posture, but browser reach makes prompt remediation appropriate.
Technical view
The CVE describes an integer overflow in Chrome’s WTF component before version 148.0.7778.216. The stated impact is arbitrary code execution inside a sandbox via crafted HTML. CVSS 3.1 is 8.8 with network attack vector, low complexity, no privileges, and user interaction required.
Likely exposure
Organizations running Google Chrome versions before 148.0.7778.216 are potentially exposed. Exposure is highest on user workstations that browse the internet, open links from email or chat, or use unmanaged Chrome installations.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Public details are limited, and the Chromium issue may not provide full technical detail. Treat this as a credible browser RCE risk, not a confirmed in-the-wild campaign.
Researcher notes
Source detail is sparse: integer overflow in WTF, crafted HTML trigger, sandboxed code execution, CVSS 8.8. The provided CWE is CWE-472, while the description says integer overflow; validate classification against vendor data before using it for taxonomy reporting.
Mitigation direction
- Update Google Chrome to 148.0.7778.216 or later where available.
- Confirm enterprise browser management policies force timely Chrome updates.
- Prioritize internet-facing user endpoints and high-risk user groups first.
- Check Google Chrome release guidance for any platform-specific update details.
Validation and detection
- Inventory Chrome versions across managed endpoints.
- Confirm no endpoints remain below 148.0.7778.216.
- Review browser management dashboards for failed or deferred updates.
- Monitor vendor advisories for revised affected-version or exploitation details.
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-472: 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-2026-10015 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:H2.85.9CISA-ADPVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.htmlCVE reference, Chrome
- https://issues.chromium.org/issues/514746176CVE 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.
External Control of Assumed-Immutable Web Parameter
External Control of Assumed-Immutable Web Parameter represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.