CVE-2026-79086

MEDIUM 5.1 ALL-YEARS

Published 2026-08-25 · Last modified 2026-08-26 · Chrome · NVD: Analyzed

Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain sensitive information via a co-installed app. (Chromium security severity: Medium)

LIMITED SIGNALS

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

Exploitation likelihood

0.1%chance of exploitation in 30 days · 1st percentile

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

Impact if exploited

5.1CVSS 3.1 · MEDIUM · ADP

ConfidentialityHigh
IntegrityNone
AvailabilityNone

What an attacker needs

⚠Access: Requires local access to the host
✓Privileges: No account or privileges required
✓User interaction: No user interaction needed
⚠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

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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

Products Chrome Android

Weakness (CWE)

CWE-862: Missing authorization

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/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-2026-79086 · Updated 2026-08-26T16:23:45+00:00

Known Affected Software Configurations

Vendor	Product	Version range
Google	Chrome	< 152.0.7977.65

All CVSS metrics

MEDIUM 5.1 v3.1 · ADP Primary
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
MEDIUM 5.1 v3.1 · NVD Secondary
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Advisories

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html Release NotesVendor AdvisoryCVE record · Chrome · Updated 2026-08-25T20:10:24.215Z
NVD · CVE-2026-79086 · Updated 2026-08-28T17:30:40.143
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79086.json vendor-advisoryRed Hat · CVE-2026-79086 · Updated 2026-08-26T16:23:45+00:00
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-65890 ADVISORYEUVD · EUVD-2026-65890

Technical & other

https://issues.chromium.org/issues/511804361 Permissions RequiredCVE record · Chrome · Updated 2026-08-25T20:10:24.215Z
NVD · CVE-2026-79086 · Updated 2026-08-28T17:30:40.143
https://access.redhat.com/security/cve/CVE-2026-79086 vendor-referenceRed Hat · CVE-2026-79086 · Updated 2026-08-26T16:23:45+00:00
https://www.cve.org/CVERecord?id=CVE-2026-79086 vendor-referenceRed Hat · CVE-2026-79086 · Updated 2026-08-26T16:23:45+00:00

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