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PatchSiren cyber security CVE debrief

CVE-2026-7903 Google CVE debrief

CVE-2026-7903 is an integer overflow vulnerability in ANGLE within Google Chrome on Mac and Windows systems prior to version 148.0.7778.96. This issue, reported with a high severity rating by Chromium, could potentially allow a remote attacker to exploit heap corruption via a crafted HTML page. The vulnerability's high severity rating and potential for remote exploitation leading to heap corruption necessitate prompt assessment and patching by defenders responsible for managing and securing Google Chrome installations on Mac and Windows systems. This includes IT and security teams in organizations using Chrome for browsing, as well as individuals managing their own Chrome The CVE-

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
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 and securing Google Chrome installations on Mac and Windows systems should assess exposure and apply patches. This includes IT and security teams in organizations using Chrome for browsing, as well as individuals managing their own Chrome installations.

Why it matters

CVE-2026-7903 is an integer overflow vulnerability in ANGLE within Google Chrome on Mac and Windows systems prior to version 148.0.7778.96. Defenders should prioritize assessing exposure and applying patches due to the high severity rating and potential for remote exploitation leading to heap corruption.

  • Potential for remote exploitation leading to heap corruption
  • High severity rating by Chromium indicating significant risk
  • Requires patching of Chrome to version 148.0.7778.96 or later for mitigation

Technical summary

The vulnerability is an integer overflow in ANGLE within Google Chrome on Mac and Windows systems prior to version 148.0.7778.96. This could potentially allow a remote attacker to exploit heap corruption via a crafted HTML page, with Chromium rating this issue as high severity.

Defensive priority

Defenders should prioritize assessing exposure and applying patches for this vulnerability, particularly for systems and users with Chrome installed on Mac and Windows platforms.

Recommended defensive actions

  • Assess exposure and apply patches for Google Chrome on Mac and Windows systems to version 148.0.7778.96 or later.
  • Review and update inventory of Chrome installations to ensure version 148.0.7778.96 or later is deployed.
  • Monitor for and respond to potential exploitation attempts targeting this vulnerability.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its high severity rating and potential impact. However, specific details about exploitation or affected versions beyond Chrome's prior to 148.0.7778.96 are not provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7903 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7903

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

  • CVE-2026-7903 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7903

    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.