CVE-2026-91740Network attack vectorHinoki check available

Cross-origin data disclosure via uninitialized Skia resource

Published Sep 15, 2026 · Updated Sep 15, 2026

Uninitialized resource use in Skia in Google Chrome before 153.0.8010.47 allows remote attackers to read cross-origin data via crafted HTML. Google has not published which Skia resource remains uninitialized or how crafted page content causes its data to be consumed. A victim must load attacker-controlled HTML, and the disclosed information is limited to cross-origin data exposed by the uninitialized resource.

CVSS severityUnavailable
Unscored
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Uninitialized resource use in Skia in Google Chrome before 153.0.8010.47 allows remote attackers to read cross-origin data via crafted HTML. Google has not published which Skia resource remains uninitialized or how crafted page content causes its data to be consumed. A victim must load attacker-controlled HTML, and the disclosed information is limited to cross-origin data exposed by the uninitialized resource.

The record

CVE
CVE-2026-91740
Published
Sep 15, 2026
Updated
Sep 15, 2026
Vendor
Google Cloud
Product
Google Chrome
Classifications
T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=153.0.8010.47 <153.0.8010.47

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=153.0.8010.47 <153.0.8010.47

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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