CVE-2026-13851

CRITICAL 9.1 ALL-YEARS

Published 2026-06-30 · Last modified 2026-07-01 · Chrome · NVD: Analyzed

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to bypass discretionary access control via a crafted HTML page. (Chromium security severity: High)

ELEVATED IMPACT

Severe if exploited (CVSS 9.1), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 24th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable yes

Impact if exploited

9.1CVSS 3.1 · CRITICAL · ADP

ConfidentialityNone
IntegrityHigh
AvailabilityHigh

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
✓User interaction: No user interaction needed
✓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 Android

Weakness (CWE)

CWE-20: Insufficient validation of untrusted input

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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-2026-13851 · Updated 2026-07-28T12:49:54+00:00

Known Affected Software Configurations

Vendor	Product	Version range
Google	Chrome	< 150.0.7871.47

All CVSS metrics

CRITICAL 9.1 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CRITICAL 9.1 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References

Advisories

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html Vendor AdvisoryRelease Notesvendor-referenceCVE record · Chrome · Updated 2026-06-30T22:37:56.527Z
NVD · CVE-2026-13851 · Updated 2026-10-25T21:10:00.770
Red Hat · CVE-2026-13851 · Updated 2026-07-28T12:49:54+00:00
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-13851.json vendor-advisoryRed Hat · CVE-2026-13851 · Updated 2026-07-28T12:49:54+00:00
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-40537 ADVISORYEUVD · EUVD-2026-40537

Technical & other

https://issues.chromium.org/issues/519692255 Permissions Requiredvendor-referenceCVE record · Chrome · Updated 2026-06-30T22:37:56.527Z
NVD · CVE-2026-13851 · Updated 2026-10-25T21:10:00.770
Red Hat · CVE-2026-13851 · Updated 2026-07-28T12:49:54+00:00
https://access.redhat.com/security/cve/CVE-2026-13851 vendor-referenceRed Hat · CVE-2026-13851 · Updated 2026-07-28T12:49:54+00:00
https://www.cve.org/CVERecord?id=CVE-2026-13851 vendor-referenceRed Hat · CVE-2026-13851 · Updated 2026-07-28T12:49:54+00:00
https://nvd.nist.gov/vuln/detail/CVE-2026-13851 vendor-referenceRed Hat · CVE-2026-13851 · Updated 2026-07-28T12:49:54+00:00

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