Security readout for executives and security teams
Plain-English summary
This Chrome flaw affects Windows users on versions before 148.0.7778.216. If an attacker already compromises Chrome’s renderer process, a crafted HTML page could help them escape the browser sandbox. That raises business urgency because sandbox escapes can turn browser compromise into broader endpoint impact.
Executive priority
Treat this as a high-priority browser patching issue, especially for Windows fleets. No active exploitation is cited in the provided sources, but the potential sandbox escape impact justifies rapid update validation and exception follow-up.
Technical view
CVE-2026-10000 is a CWE-416 use-after-free in Chrome Passwords on Windows. The CVSS 3.1 score is 8.3, with network attack vector, required user interaction, high complexity, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to Google Chrome on Windows before 148.0.7778.216. Organizations with unmanaged browsers, delayed Chrome updates, or Windows endpoints outside standard patch telemetry should treat exposure as plausible until inventory proves otherwise.
Exploitation context
The source bundle does not show KEV listing or confirmed active exploitation. The described attack requires renderer compromise first and user interaction with crafted HTML. This is still serious because sandbox escape weaknesses can be chained with other browser flaws.
Researcher notes
Public detail is limited. The Chromium issue link is cited, but the bundle does not provide internals beyond a Passwords use-after-free and sandbox escape potential after renderer compromise. Avoid assuming exploit availability or affected platforms beyond Chrome on Windows.
Mitigation direction
- Update Chrome on Windows to 148.0.7778.216 or later per Google release guidance.
- Verify enterprise browser update policies are forcing the current stable release.
- Prioritize unmanaged Windows endpoints and users with delayed browser restart habits.
- Check Google’s Chrome release post for any updated remediation guidance.
Validation and detection
- Inventory Chrome versions across Windows endpoints and flag versions before 148.0.7778.216.
- Confirm patched endpoints have restarted Chrome after update installation.
- Review browser management telemetry for update failures or disabled auto-update.
- Monitor vendor advisories and vulnerability intelligence for exploitation updates.
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-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 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-2026-10000 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:H1.66CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
8.3HighVector: 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 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/513505608CVE 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.