CVE-2026-78989
CRITICAL 9.6 ALL-YEARSOut of bounds read in ANGLE in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Severe if exploited (CVSS 9.6), but no confirmed exploitation. Patch on a normal cadence.
Exploitation likelihood
0.6%chance of exploitation in 30 days · 46th percentile
Impact if exploited
9.6CVSS 3.1 · CRITICAL · ADP
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
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
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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.
Weakness (CWE)
- CWE-125: Out of bounds read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
References and research data (JSON)
Vendor product assessments
Showing 32 of 126 vendor product statements; 94 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
webkit2gtk3-debuginfo-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
webkit2gtk3-devel-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
webkit2gtk3-jsc-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
webkit2gtk3-jsc-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
webkit2gtk3-0:2.54.0-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed
Vendor assessment for this product only.
pkg:rpm/redhat/[email protected]_8?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
webkit2gtk3-debuginfo-0:2.54.0-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed
Vendor assessment for this product only.
pkg:rpm/redhat/[email protected]_8?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
webkit2gtk3-devel-0:2.54.0-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed
Vendor assessment for this product only.
pkg:rpm/redhat/[email protected]_8?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
webkit2gtk3-jsc-0:2.54.0-1.el9_8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed
Vendor assessment for this product only.
pkg:rpm/redhat/[email protected]_8?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
webkit2gtk3-jsc-devel-0:2.54.0-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed
Vendor assessment for this product only.
pkg:rpm/redhat/[email protected]_8?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
webkit2gtk3-jsc-devel-debuginfo-0:2.54.0-1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9) · fixed
Vendor assessment for this product only.
pkg:rpm/redhat/[email protected]_8?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
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
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
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
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
webkitgtk4 as a component of Red Hat Enterprise Linux 7 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/webkitgtk4
- none available: Affected
webkitgtk4-devel as a component of Red Hat Enterprise Linux 7 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/webkitgtk4-devel
- none available: Affected
webkitgtk4-doc as a component of Red Hat Enterprise Linux 7 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/webkitgtk4-doc
- none available: Affected
webkitgtk4-jsc as a component of Red Hat Enterprise Linux 7 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/webkitgtk4-jsc
- none available: Affected
webkitgtk4-jsc-devel as a component of Red Hat Enterprise Linux 7 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/webkitgtk4-jsc-devel
- none available: Affected
webkitgtk4-plugin-process-gtk2 as a component of Red Hat Enterprise Linux 7 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/webkitgtk4-plugin-process-gtk2
- none available: Affected
webkitgtk4.src as a component of Red Hat Enterprise Linux 7 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/webkitgtk4?arch=src
- none available: Affected
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-2026-78989 · Updated 2026-10-03T06:46:25+00:00thunderbird 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/thunderbird
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00firefox.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/firefox?arch=src
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00webkitgtk3 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
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00webkitgtk3.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-2026-78989 · Updated 2026-10-03T06:46:25+00:00firefox.src 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?arch=src
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00mozjs60.src 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/mozjs60?arch=src
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00thunderbird.src 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/thunderbird?arch=src
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00firefox.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-2026-78989 · Updated 2026-10-03T06:46:25+00:00thunderbird.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/thunderbird?arch=src
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Chrome | < 152.0.7977.65 |
All CVSS metrics
- CRITICAL 9.6 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CRITICAL 9.6 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
References
Advisories
- https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html CVE record · Chrome · Updated 2026-08-25T20:09:58.957Z
NVD · CVE-2026-78989 · Updated 2026-08-27T04:17:10.333
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00 - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-78989.json Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-65762 EUVD · EUVD-2026-65762
Technical & other
- https://issues.chromium.org/issues/532617619 CVE record · Chrome · Updated 2026-08-25T20:09:58.957Z
NVD · CVE-2026-78989 · Updated 2026-08-27T04:17:10.333
Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00 - https://access.redhat.com/security/cve/CVE-2026-78989 Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
- https://bugzilla.redhat.com/show_bug.cgi?id=2523795 Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
- https://www.cve.org/CVERecord?id=CVE-2026-78989 Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
- https://nvd.nist.gov/vuln/detail/CVE-2026-78989 Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
- https://access.redhat.com/errata/RHSA-2026:74084 Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
- https://access.redhat.com/errata/RHSA-2026:69098 Red Hat · CVE-2026-78989 · Updated 2026-10-03T06:46:25+00:00
Sources: NVD · CVE.org · All sources and attribution · EPSS