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CVE Record

CVE-2022-3309: Use after free in assistant in Google Chrome on ChromeOS prior to 106.0.5249.62 allowed a remote attacker w...

Use after free in assistant in Google Chrome on ChromeOS prior to 106.0.5249.62 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially perform a sandbox escape via specific UI gestures. (Chromium security severity: Medium)

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-3309 is a use-after-free flaw in the Assistant component of Google Chrome on ChromeOS before 106.0.5249.62. A remote attacker would need to persuade a user to perform specific UI gestures. Successful exploitation could affect system integrity through a possible sandbox escape.

Executive priority

Treat this as a moderate-priority browser platform update issue. It is not cited as actively exploited in the provided sources, but sandbox escape potential means outdated ChromeOS devices should not remain exposed.

Technical view

The issue is CWE-416 use after free in Chrome Assistant on ChromeOS. CVSS 3.1 is 6.5 with network attack vector, no privileges required, user interaction required, and high integrity impact. The provided CVE text describes potential sandbox escape via specific UI gestures.

Likely exposure

Exposure appears limited to ChromeOS systems running Google Chrome before 106.0.5249.62. The source bundle does not identify other affected products or exact vulnerable version ranges beyond “prior to 106.0.5249.62.”

Exploitation context

The source bundle does not show CISA KEV listing or cite active exploitation. Exploitation requires user interaction through specific UI gestures, so phishing or social engineering would likely be part of a realistic attack path.

Researcher notes

Public detail is limited. The Chromium bug reference may be restricted, and the provided data does not include proof-of-concept details, exploit status, or deeper root-cause analysis. Avoid assuming exploitability beyond the CVE description.

Mitigation direction

  • Update affected ChromeOS devices to 106.0.5249.62 or later.
  • Check Google Chrome release guidance for any additional vendor instructions.
  • Prioritize managed ChromeOS fleets that access untrusted web content.
  • Reduce exposure by enforcing timely ChromeOS automatic updates.

Validation and detection

  • Inventory ChromeOS devices and record Chrome version details.
  • Confirm no managed devices run versions before 106.0.5249.62.
  • Review update compliance telemetry for failed or deferred updates.
  • Track this CVE against vulnerability management records until remediated.
Prepared
Confidence
high
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

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.

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description · low confidence lookup

Privilege 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 lookup
cve · low confidence lookup

CVE-2022-3309 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2022-3309Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GoogleChromeunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-416 · source CWE mapping

Use After Free

Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.