Security readout for executives and security teams
Plain-English summary
Chrome had a high-severity memory safety flaw in Skia that could help an attacker escape the browser sandbox after compromising the renderer. A victim would need to interact with a crafted HTML page. The provided sources do not show active exploitation.
Executive priority
Treat this as a prompt browser patching item, not a confirmed incident. The business risk is highest where users browse untrusted content and delayed browser restarts leave fixed versions unapplied.
Technical view
CVE-2026-10012 is a CWE-416 use-after-free in Chrome's Skia component before 148.0.7778.216. The CVSS 8.3 vector indicates network attackability, high complexity, no privileges, required user interaction, scope change, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations with Google Chrome desktop installations older than 148.0.7778.216 are the likely exposure. The source bundle does not establish affected status for other Chromium-based browsers, mobile platforms, or downstream vendors.
Exploitation context
The attacker must already compromise the renderer process and lure a user to a crafted HTML page. The issue could then support sandbox escape. KEV is false, and the supplied sources do not cite in-the-wild exploitation.
Researcher notes
The public description names Skia use-after-free and sandbox escape potential, but gives no crash details, patch diff, or exploit indicators. Validation should focus on version exposure and vendor advisory tracking, not exploit reproduction.
Mitigation direction
- Update Google Chrome desktop to 148.0.7778.216 or later.
- Force browser relaunch after update so the fixed build is active.
- Prioritize managed workstations, VDI images, and high-risk user groups.
- Check Google Chrome release guidance for any platform-specific notes.
- Do not assume other browsers are fixed without vendor confirmation.
Validation and detection
- Inventory Chrome versions across managed endpoints.
- Confirm installed versions are 148.0.7778.216 or later.
- Check browser management telemetry for pending relaunches.
- Verify VDI and golden images include the fixed Chrome build.
- Track Chrome release notes and CVE status for later corrections.
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-2026-10012 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/514063977CVE 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.