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CVE-2026-15766

MEDIUM 6.5 ALL-YEARS

Published 2026-07-14 · Last modified 2026-07-14 · Chrome · NVD: Analyzed

Uninitialized Use in Skia in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 34th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

6.5CVSS 3.1 · MEDIUM · ADP

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ⚠User interaction: A user must take an action (click / open a file)
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Affected

Vendors Google

Products Chrome

Weakness (CWE)

  • CWE-457: Uninitialized Use

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References and research data (JSON)

Vendor product assessments

Showing 32 of 76 vendor product statements; 44 omitted. Read the full vendor advisory.

  • webkit2gtk3-0:2.54.0-1.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=aarch64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-0:2.54.0-1.el8_10.src as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=src

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-debuginfo-0:2.54.0-1.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=ppc64le

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-debugsource-0:2.54.0-1.el8_10.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=i686

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-devel-0:2.54.0-1.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=aarch64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-devel-0:2.54.0-1.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=x86_64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-devel-debuginfo-0:2.54.0-1.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=x86_64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-jsc-0:2.54.0-1.el8_10.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=s390x

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-jsc-debuginfo-0:2.54.0-1.el8_10.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=ppc64le

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-jsc-devel-0:2.54.0-1.el8_10.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=i686

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-jsc-devel-debuginfo-0:2.54.0-1.el8_10.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=aarch64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-jsc-devel-debuginfo-0:2.54.0-1.el8_10.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8) · fixed

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]_10?arch=x86_64

    • vendor fix: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Vendor guidance
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkitgtk

    • no fix planned: Out of support scope
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk-devel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkitgtk-devel

    • no fix planned: Out of support scope
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk-doc as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkitgtk-doc

    • no fix planned: Out of support scope
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk.src as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkitgtk?arch=src

    • no fix planned: Out of support scope
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3 as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkit2gtk3

    • none available: Affected
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-devel as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkit2gtk3-devel

    • none available: Affected
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-jsc as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkit2gtk3-jsc

    • none available: Affected
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3-jsc-devel as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkit2gtk3-jsc-devel

    • none available: Affected
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkit2gtk3.src as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/webkit2gtk3?arch=src

    • none available: Affected
    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • firefox as a component of Red Hat Enterprise Linux 10 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/firefox

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • firefox as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/firefox

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • libwebkit2gtk as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/libwebkit2gtk

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk3-devel as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/webkitgtk3-devel

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk3.src as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/webkitgtk3?arch=src

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk4-devel as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code cannot be controlled by adversary

    pkg:rpm/redhat/webkitgtk4-devel

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk4-jsc as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code cannot be controlled by adversary

    pkg:rpm/redhat/webkitgtk4-jsc

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • webkitgtk4-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code cannot be controlled by adversary

    pkg:rpm/redhat/webkitgtk4-plugin-process-gtk2

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • firefox as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/firefox

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • firefox as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/firefox

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00
  • firefox.src as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/firefox?arch=src

    Red Hat · CVE-2026-15766 · Updated 2026-10-14T06:36:24+00:00

Known Affected Software Configurations

VendorProductVersion range
GoogleChrome< 150.0.7871.125

All CVSS metrics

  • MEDIUM 6.5 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
  • MEDIUM 6.5 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS