CVE-2026-79091

CRITICAL 9.6 ALL-YEARS

Published 2026-08-25 · Last modified 2026-08-27 · Chrome · NVD: Analyzed

Use after free in Bluetooth in Google Chrome on on Mac prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

ELEVATED IMPACT

Severe if exploited (CVSS 9.6), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.5%chance of exploitation in 30 days · 40th percentile

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

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

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

Products Chrome Macos

Weakness (CWE)

CWE-416: Use after free

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

All currently supported Red Hat products · known not affected

Vendor assessment for this product only.
Reason: vulnerable code not present
Red Hat · CVE-2026-79091 · Updated 2026-08-26T16:46:33+00:00

Known Affected Software Configurations

Vendor	Product	Version range
Google	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 Release NotesVendor AdvisoryCVE record · Chrome · Updated 2026-08-25T20:10:41.721Z
NVD · CVE-2026-79091 · Updated 2026-08-27T04:17:23.220
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79091.json vendor-advisoryRed Hat · CVE-2026-79091 · Updated 2026-08-26T16:46:33+00:00
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-65992 ADVISORYEUVD · EUVD-2026-65992

Technical & other

https://issues.chromium.org/issues/523557855 Permissions RequiredCVE record · Chrome · Updated 2026-08-25T20:10:41.721Z
NVD · CVE-2026-79091 · Updated 2026-08-27T04:17:23.220
https://access.redhat.com/security/cve/CVE-2026-79091 vendor-referenceRed Hat · CVE-2026-79091 · Updated 2026-08-26T16:46:33+00:00
https://www.cve.org/CVERecord?id=CVE-2026-79091 vendor-referenceRed Hat · CVE-2026-79091 · Updated 2026-08-26T16:46:33+00:00

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