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CVE-2026-7989 Google CVE debrief

CVE-2026-7989 was published on 2026-05-06T19:16:49.783Z and has not been modified since then. The NVD entry is currently Medium. This CVE describes Insufficient data validation in DataTransfer in Google Chrome prior to 148.0.7778.96, allowing a remote attacker who had compromised the renderer process to perform arbitrary read/write via a crafted HTML page.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 4.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-06
Original CVE updated
2026-10-26
Advisory published
2026-05-06
Advisory updated
2026-10-26

Who should care

Defenders responsible for managing Chrome browser deployments should assess exposure and prioritize updates to 148.0.7778.96 or later. This includes verifying Chrome versions, updating to the latest version, and monitoring for suspicious renderer process activity.

Why it matters

CVE-2026-7989 is a Medium severity vulnerability in Google Chrome that allows a remote attacker to perform arbitrary read/write via a crafted HTML page if the renderer process is compromised. Defenders should prioritize verifying Chrome versions and updating to 148.0.7778.96 or later.

  • Verify Chrome browser version to determine exposure
  • Update Chrome to version 148.0.7778.96 or later to prevent exploitation
  • Monitor for suspicious renderer process activity

Technical summary

Insufficient data validation in DataTransfer in Google Chrome prior to 148.0.7778.96 allows a remote attacker who had compromised the renderer process to perform arbitrary read/write via a crafted HTML page. This vulnerability affects Google Chrome browser deployments. Defenders should prioritize verifying Chrome versions and updating to 148.0.7778.96 or later to prevent exploitation.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 148.0.7778.96 or later.

Recommended defensive actions

  • Verify Chrome browser versions are up-to-date
  • Update Chrome to version 148.0.7778.96 or later
  • Monitor for suspicious renderer process activity

Evidence notes

The CVE and NVD records provide details on the vulnerability and affected Chrome versions. The vulnerability affects Google Chrome prior to version 148.0.7778.96. Defenders should verify Chrome versions and update to 148.0.7778.96 or later. The CVE record was published on 2026-05-06T19:16:49.783Z and has not been modified since then.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7989 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7989

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-7989 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7989

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.