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PatchSiren cyber security CVE debrief

CVE-2026-112992 Google CVE debrief

A memory corruption vulnerability exists in Google Chrome's Canvas component prior to version 156.0.8078.47. This vulnerability could potentially allow remote attackers to execute arbitrary code outside the sandbox via a crafted HTML page. The vulnerability requires attention from defenders managing Chrome deployments, particularly those with users accessing HTML pages from untrusted sources. Defenders should assess exposure and prioritize updates to mitigate potential security risks. The vulnerability's impact includes potential execution of arbitrary code outside the sandbox and disruption of user productivity. Defenders should verify and update Google Chrome to version 156.0.807

Vendor
Google
Product
Chrome
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-22
Advisory published
2026-10-20
Advisory updated
2026-10-22

Who should care

Defenders responsible for managing Google Chrome deployments, particularly those with users who may access HTML pages from untrusted sources, should assess exposure and prioritize updates.

Why it matters

The memory corruption vulnerability in Google Chrome's Canvas component requires attention from defenders managing Chrome deployments, particularly those with users accessing HTML pages from untrusted sources. The vulnerability could lead to execution of arbitrary code outside the sandbox, disrupting user productivity and posing security risks. Defenders should prioritize verifying and updating Chrome versions, assessing exposure, and monitoring for suspicious activity.

  • Potential execution of arbitrary code outside the sandbox
  • Possible disruption of user productivity due to crafted HTML page exploitation
  • Need for verification of Google Chrome version and exposure to crafted HTML pages
  • Potential security risks associated with accessing untrusted HTML pages

Technical summary

The vulnerability exists in the Canvas component of Google Chrome prior to version 156.0.8078.47. A remote attacker could potentially execute arbitrary code outside the sandbox via a crafted HTML page. The vulnerability requires attention from defenders managing Chrome deployments, particularly those with users accessing HTML pages from untrusted sources. Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later, and assess exposure for users who may have accessed crafted HTML pages. The vulnerability's technical details include a memory corruption issue in the Canvas component, which could lead to execution of arbitrary code outside the sandbox.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later, and assess exposure for users who may have accessed crafted HTML pages.

Recommended defensive actions

  • Verify and update Google Chrome to version 156.0.8078.47 or later
  • Assess exposure for users who may have accessed crafted HTML pages
  • Monitor for suspicious activity related to crafted HTML pages
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's Canvas component. However, the record of exploitation or victim impact is not provided. The source item and CVE record provide source-provided CVE metadata and official vulnerability details. The stable channel update and Chromium issue references provide additional context on the vulnerability. Defenders should verify the Google Chrome version and assess exposure to crafted HTML pages. The CVE Program record and NIST NVD detail

Sources and references

Verified primary and authoritative sources

  • CVE-2026-112992 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-112992

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

  • CVE-2026-112992 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-112992

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

Supplemental references

  • CVE-2026-112992

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/112xxx/CVE-2026-112992.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://issues.chromium.org/issues/514422784

    Supplemental source

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.