Security readout for executives and security teams
Plain-English summary
This Chrome flaw could let an attacker break out of Chrome’s sandbox after already compromising the renderer process. That raises the impact from browser compromise to possible broader system exposure. The public bundle does not show active exploitation, but the severity is high and browser updates should be prioritized.
Executive priority
Treat this as a high-priority browser patching item, not an emergency active-exploitation event based on the supplied evidence. Browser sandbox escapes can materially increase endpoint risk when chained with other flaws.
Technical view
CVE-2026-10001 is a CWE-416 use-after-free in Chrome PerformanceManager before 148.0.7778.216. A remote attacker with a compromised renderer process could potentially escape the sandbox through a crafted HTML page. CVSS 3.1 is 8.3 with high confidentiality, integrity, and availability impact.
Likely exposure
Organizations running Google Chrome versions before 148.0.7778.216 are likely exposed. Risk is highest on endpoints where Chrome auto-update is disabled, delayed, or centrally pinned. The supplied sources identify Chrome only, not other Chromium-based products.
Exploitation context
The source bundle marks KEV as false and provides no cited evidence of active exploitation. Exploitation appears to require user interaction and a compromised renderer process, suggesting this is most concerning as part of a chained browser attack.
Researcher notes
Evidence is limited to the CVE metadata, Chrome release reference, and Chromium issue reference. The Chromium issue may have restricted details. Do not assume exploit availability, affected downstream browsers, or additional mitigations unless Google publishes them.
Mitigation direction
- Update Google Chrome to 148.0.7778.216 or later where available.
- Confirm enterprise policies are not blocking Chrome auto-update.
- Prioritize managed desktops, privileged admin workstations, and high-risk browsing environments.
- Monitor Google Chrome release guidance for any revised fixed-version information.
Validation and detection
- Inventory Chrome versions across managed endpoints.
- Flag any Chrome installation below 148.0.7778.216.
- Confirm updated hosts report the expected stable version after restart.
- Check vulnerability management tools for CVE-2026-10001 detection coverage.
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-2026-10001 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/513505927CVE 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.