Google Pixel Cellular Modem Improper Authorization
Improper authorization in Google Pixel's cellular modem lets a nearby attacker bypass permission checks and escalate privileges without user interaction. CISA KEV, due 2026-09-19.
- Vendor
- Product
- Pixel
- CVSS
- 8.8
- EPSS (exploit probability)
- 0.6%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
Is CVE-2026-58704 being exploited?
Yes. CISA added CVE-2026-58704 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 0.6% (scored October 25, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-11-04. Full cross-catalog view: /kev-comparison
CVE-2026-58704 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
US federal civilian agencies must remediate by (3 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
CVE-2026-58704 is an improper authorization flaw in the cellular modem firmware on Google Pixel devices. A logic error allows an attacker in radio adjacency to bypass permission checks and escalate privileges on the device. No user interaction is needed.
Google disclosed the vulnerability as part of its September 2026 Pixel security bulletin on September 15, 2026. CISA added it to the Known Exploited Vulnerabilities catalog on September 16, 2026, with a remediation deadline of September 19 under BOD 26-04.
Affected products: Supported Google Pixel devices. Consult the Pixel update bulletin for the full device list.
Patch: Apply the September 2026 Pixel security patch level via Settings > Security & privacy > System & updates.
The attack vector is adjacent (proximal/adjacent network or radio environment), not the open internet. Confirmed exploitation in the wild as of the KEV addition date.
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| CVE-2026-111497 Google Brotli Unchecked Return Value Vulnerabilitywrite-up | [ HIGH ] | — | 82.6% | |
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| CVE-2026-106358 Use-after-free in Chrome Navigation allows sandbox code executionwrite-up | [ CRITICAL ] | 9.6 | 0.6% | — |
| CVE-2026-106347 Use-after-free in Chrome Track component allows sandbox code executionwrite-up | [ HIGH ] | 8.8 | 0.4% | — |
| CVE-2026-106197 Use-after-free in Chrome Browser component enables sandbox RCEwrite-up | [ CRITICAL ] | 9.6 | 0.6% | — |
| CVE-2026-87491 Google Chromium V8 Out of Bounds Write Vulnerability | [ HIGH ] | 8.8 | 3.5% | |
| CVE-2026-85046 Type confusion in Chrome V8 allows sandbox code executionwrite-up | [ HIGH ] | 8.8 | 1.8% | |
| CVE-2026-15765 Chrome Ozone use-after-freewrite-up | [ HIGH ] | 7.5 | 0.3% | — |
