CVE-2026-13029

HIGH 7.5 ALL-YEARS

Published 2026-06-24 · Last modified 2026-06-25 · Chrome · NVD: Analyzed

Use after free in Web Authentication in Google Chrome prior to 149.0.7827.197 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)

ELEVATED IMPACT

Severe if exploited (CVSS 7.5), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 16th percentile

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

Impact if exploited

7.5CVSS 3.1 · HIGH · 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: Needs a race window or specific setup

✓ 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 Apple Linux Microsoft

Products Chrome Macos Linux Kernel Windows

Weakness (CWE)

CWE-416: Use after free

CVSS vector

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

References and research data (JSON)

Vendor product assessments

All currently supported Red Hat products · known not affected

Vendor assessment for this product only.
Reason: vulnerable code not present
Red Hat · CVE-2026-13029 · Updated 2026-06-29T14:46:30+00:00

Known Affected Software Configurations

Vendor	Product	Version range
Google	Chrome	< 149.0.7827.197

All CVSS metrics

HIGH 7.5 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
HIGH 7.5 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Advisories

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html Vendor Advisoryvendor-referenceCVE record · Chrome · Updated 2026-06-24T18:43:17.219Z
NVD · CVE-2026-13029 · Updated 2026-10-25T22:10:00.150
Red Hat · CVE-2026-13029 · Updated 2026-06-29T14:46:30+00:00
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-13029.json vendor-advisoryRed Hat · CVE-2026-13029 · Updated 2026-06-29T14:46:30+00:00
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-39043 ADVISORYEUVD · EUVD-2026-39043

Technical & other

https://issues.chromium.org/issues/521495992 Permissions Requiredvendor-referenceCVE record · Chrome · Updated 2026-06-24T18:43:17.219Z
NVD · CVE-2026-13029 · Updated 2026-10-25T22:10:00.150
Red Hat · CVE-2026-13029 · Updated 2026-06-29T14:46:30+00:00
https://access.redhat.com/security/cve/CVE-2026-13029 vendor-referenceRed Hat · CVE-2026-13029 · Updated 2026-06-29T14:46:30+00:00
https://www.cve.org/CVERecord?id=CVE-2026-13029 vendor-referenceRed Hat · CVE-2026-13029 · Updated 2026-06-29T14:46:30+00:00
https://nvd.nist.gov/vuln/detail/CVE-2026-13029 vendor-referenceRed Hat · CVE-2026-13029 · Updated 2026-06-29T14:46:30+00:00

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