CVE-2026-112992: Observable discrepancy in Canvas

Published May 18, 2026
·
Updated

Chromium CVE-2026-112992: Memory corruption

Other sources

Memory corruption in Canvas in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

Observable discrepancy in Canvas in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

— NVD

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Credit

Google

Affected Software

8 affected componentsFixes available
Google Google Chrome<156.0.8078.47
Microsoft Edge (Chromium-based)<156.0.4314.42
156.0.4314.42
Google Chrome<156.0.8078.47
156.0.8078.47
Google Chrome<156.0.8078.47
debian/chromium<156.0.8078.47-1~deb12u1
156.0.8078.47-1~deb12u1
debian/chromium<156.0.8078.47-1~deb13u1
156.0.8078.47-1~deb13u1
debian/chromium<156.0.8078.47-1
156.0.8078.47-1
debian/chromium<=150.0.7871.100-1~deb12u1, <=150.0.7871.181-1~deb13u1
156.0.8078.79-1~deb12u1156.0.8078.79-1~deb13u1156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 156.0.4314.42
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47
  3. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1~deb12u1
  4. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1~deb13u1
  5. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1
  6. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.79-1~deb12u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1
  7. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47

Event History

May 18, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 20, 2026
CVE Published
via MITRE·09:02 PM
Data Sourced
via MITRE·09:02 PM
DescriptionWeakness
Data Sourced
via NVD·10:18 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·10:18 PM
DescriptionSeverityAffected Software
Oct 23, 2026
Data Sourced
via Microsoft·02:27 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Who is exposed to this issue?

Users of Google Chrome versions earlier than 156.0.8078.47 are exposed when they visit a crafted HTML page. The issue affects the Canvas component.

2

What does exploitation require?

A remote attacker needs to induce a user to load a crafted HTML page in an affected Chrome version. Successful exploitation could potentially allow arbitrary code execution outside Chrome's sandbox.

3

What version fixes the issue?

Google Chrome 156.0.8078.47 addresses this issue. Systems running an earlier version should be updated to that version or later.

Company

Resources

Contact

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