Security readout for executives and security teams
Plain-English summary
CVE-2022-3306 is a high-severity Chrome vulnerability affecting Chrome on ChromeOS before 106.0.5249.62. A malicious webpage could trigger memory corruption after user interaction, potentially allowing compromise of confidentiality, integrity, and availability on affected systems.
Executive priority
Treat as high priority for ChromeOS fleets because browser memory corruption can become user-driven endpoint compromise. No public active exploitation is evidenced in the provided sources.
Technical view
The issue is a CWE-416 use-after-free in Chrome's Survey component. The CVSS 3.1 score is 8.8 with network attack vector, low complexity, no privileges required, and user interaction required. The described impact is potential heap corruption via crafted HTML.
Likely exposure
Organizations are mainly exposed where ChromeOS devices or Chrome builds remain below 106.0.5249.62. Managed Chromebook fleets, kiosks, and delayed-update channels should be checked first.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation would require a user to load or interact with a crafted HTML page.
Researcher notes
Evidence is limited to the CVE record, CVE List data, Google release reference, and Chromium bug link. Do not assume exploit availability or affected platforms beyond the provided ChromeOS/Chrome wording.
Mitigation direction
- Update affected ChromeOS Chrome builds to 106.0.5249.62 or later.
- Confirm managed ChromeOS update policies are not pinning vulnerable versions.
- Review Google Chrome release guidance for any platform-specific remediation notes.
- Prioritize internet-facing user populations and shared ChromeOS devices.
Validation and detection
- Inventory ChromeOS and Chrome versions across managed endpoints.
- Flag systems running versions earlier than 106.0.5249.62.
- Verify update status through endpoint management or browser reporting.
- Check exception groups, kiosks, and long-term pinned channels separately.
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 lookupCVE-2022-3306 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.
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:H2.85.9Primary CVE scoreVulnerability 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
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2022/09/stable-channel-update-for-desktop_27.htmlCVE reference
- https://crbug.com/1320139CVE reference
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.