CVE-2026-113098: Type confusion in CacheStorage

Q: 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 disclosed impact is limited to potential memory reads from within Chrome's sandbox.

Q: What does an attacker need to exploit it?

The attacker needs to cause a vulnerable Chrome user to load a crafted HTML page. The available information does not indicate that local access, authentication, or user privileges are required.

Q: What is the remediation?

Update Google Chrome to version 156.0.8078.47 or later. The provided information does not describe a configuration workaround or other mitigation for systems that cannot yet be updated.

Published Oct 20, 2026

Updated

Chromium CVE-2026-113098: Memory corruption

Other sources

Memory corruption in CacheStorage in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: High)

— MITRE

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

Type confusion in CacheStorage in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

— NVD

Credit

Salvatore Gulizia (nickname: Serotav)

Affected Software

8 affected componentsFixes available

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.

Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 156.0.4314.42
Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 156.0.8078.47
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1~deb12u1
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1~deb13u1
Upgrade
Upgrade debian/chromium to a version that resolves this vulnerability.
Fixed in 156.0.8078.47-1
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
Upgrade
Upgrade Google Chrome to a version that resolves this vulnerability.
Fixed in 156.0.8078.47

Event History

Aug 19, 2026

CVE Published

12:00 AM

Data Sourced

12:00 AM

WeaknessAffected Software

Oct 20, 2026

CVE Published

via MITRE·09:01 PM

Data Sourced

via MITRE·09:01 PM

DescriptionWeakness

Data Sourced

via NVD·10:19 PM

DescriptionSeverityWeaknessAffected Software

Data Sourced

via OSV·10:19 PM

DescriptionSeverityAffected Software

Oct 23, 2026

Data Sourced

via Microsoft·02:30 AM

DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

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 disclosed impact is limited to potential memory reads from within Chrome's sandbox.

What does an attacker need to exploit it?

The attacker needs to cause a vulnerable Chrome user to load a crafted HTML page. The available information does not indicate that local access, authentication, or user privileges are required.

What is the remediation?

Update Google Chrome to version 156.0.8078.47 or later. The provided information does not describe a configuration workaround or other mitigation for systems that cannot yet be updated.

CVE-2026-113098: Type confusion in CacheStorage

Other sources

Credit

Affected Software

Remediation

Event History

Parent advisories

Peer vulnerabilities

Frequently Asked Questions

Who is exposed to this issue?

What does an attacker need to exploit it?

What is the remediation?

Company

Resources

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