Security readout for executives and security teams
Plain-English summary
CVE-2023-4762 is a high-severity Chrome V8 flaw. If a user visits a crafted HTML page, an attacker could execute arbitrary code through the browser. Because CISA lists it in KEV, treat it as actively exploited and prioritize browser patch compliance.
Executive priority
High priority. KEV listing means this should be handled as an active threat to user endpoints, especially where browsers access email, SaaS, credentials, or sensitive internal applications.
Technical view
The issue is CWE-843 type confusion in V8 affecting Google Chrome before 116.0.5845.179. The CVSS 3.1 score is 8.8, with network attack vector, low complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is primarily endpoints running vulnerable Google Chrome builds before 116.0.5845.179. Organizations should also review Chromium-derived packages or vendor advisories referenced by their operating system or browser provider.
Exploitation context
CISA KEV status supports active exploitation. The public description indicates exploitation requires convincing a user to open a crafted HTML page. The provided sources do not include exploit-chain details, payloads, or confirmation of broad automated exploitation.
Researcher notes
Focus validation on V8-bearing browser versions and vendor package mapping. The vulnerability is user-interaction dependent but low-complexity and high-impact. Do not assume exploit mechanics beyond crafted HTML and arbitrary code execution from the cited record.
Mitigation direction
- Update Google Chrome to 116.0.5845.179 or later.
- Check OS and browser vendor advisories for packaged Chromium updates.
- Prioritize managed browser updates on user workstations.
- Verify enterprise controls prevent users from remaining on vulnerable builds.
Validation and detection
- Inventory Chrome versions across endpoints.
- Confirm no managed devices run Chrome before 116.0.5845.179.
- Review vulnerability scanner findings for CVE-2023-4762.
- Check patch status for related vendor browser packages.
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-843: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-4762 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
- Yes
- 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.
CISA KEV status
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/2023/09/stable-channel-update-for-desktop.htmlCVE reference
- https://crbug.com/1473247CVE reference
- https://www.debian.org/security/2023/dsa-5491CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/CVE reference
- https://security.gentoo.org/glsa/202311-11CVE reference
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4762CVE reference
- https://security.gentoo.org/glsa/202312-07CVE reference
- https://security.gentoo.org/glsa/202401-34CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4762CVE reference · government-resource
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.
Access of Resource Using Incompatible Type ('Type Confusion')
Access of Resource Using Incompatible Type ('Type Confusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.