CVE-2026-16422

HIGH 7.5 ALL-YEARS

Published 2026-07-21 · Last modified 2026-07-22 · Chrome · NVD: Analyzed

Insufficient validation of untrusted input in Certificate in Google Chrome on Linux prior to 150.0.7871.182 allowed an attacker in a privileged network position to perform domain spoofing via malicious network traffic. (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 · 8th percentile

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

Impact if exploited

7.5CVSS 3.1 · HIGH · ADP

ConfidentialityNone
IntegrityHigh
AvailabilityNone

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

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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.

Affected

Vendors Google Linux

Products Chrome Linux Kernel

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:N

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-2026-16422 · Updated 2026-07-28T05:47:08+00:00

Known Affected Software Configurations

Vendor	Product	Version range
Google	Chrome	< 150.0.7871.182

All CVSS metrics

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

References

Advisories

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0256605430.html Release NotesVendor AdvisoryCVE record · Chrome · Updated 2026-07-21T22:04:10.481Z
NVD · CVE-2026-16422 · Updated 2026-10-24T17:10:00.220
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-16422.json vendor-advisoryRed Hat · CVE-2026-16422 · Updated 2026-07-28T05:47:08+00:00
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-47575 ADVISORYEUVD · EUVD-2026-47575

Technical & other

https://issues.chromium.org/issues/533515002 Permissions RequiredCVE record · Chrome · Updated 2026-07-21T22:04:10.481Z
NVD · CVE-2026-16422 · Updated 2026-10-24T17:10:00.220
https://access.redhat.com/security/cve/CVE-2026-16422 vendor-referenceRed Hat · CVE-2026-16422 · Updated 2026-07-28T05:47:08+00:00
https://www.cve.org/CVERecord?id=CVE-2026-16422 vendor-referenceRed Hat · CVE-2026-16422 · Updated 2026-07-28T05:47:08+00:00

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