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Exploit / PoChighExploited in the wild

Google Pixel phones pwned in zero-click attacks

The Register · Securityby Jessica Lyons ()2 min read4 · 2 reads
AI summary · glm-5.3-flashSummaries by Vani AI

CISA added actively exploited zero-click Pixel modem flaw CVE-2026-58704 to its KEV catalog, giving federal agencies three days to patch.

Google disclosed CVE-2026-58704, a high-severity improper authorization flaw in Pixel phones' cellular modems that bypasses permission checks and escalates privileges with no user interaction, noting limited, targeted exploitation. CISA added it to the Known Exploited Vulnerabilities Catalog with a September 19 deadline for federal agencies. Such zero-click modem bugs are a frequent vector for commercial spyware. The Register also notes two recently KEV-listed Chromium V8 flaws, CVE-2026-85046 and CVE-2026-87491, which Proofpoint says four espionage groups chained in intrusions.

Key facts
  • CVE-2026-58704 is an improper authorization flaw in Pixel modems
  • Exploitation is zero-click, requiring no user interaction
  • CISA KEV patch deadline for federal agencies is September 19
  • Zero-click modem bugs are a common commercial spyware vector
  • Proofpoint tied Chromium CVE-2026-85046 to four espionage groups
Analyze CVE-2026-58704 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-58704
Permission Bypass in Google Pixel Cellular Modem Allows Proximal Privilege Escalation
8.8<1%KEV
KEV
CVE-2026-85046
Actively Exploited V8 Type Confusion in Google Chrome (CVE-2026-85046)
8.82%KEVPoC ×6
KEV
CVE-2026-87491
Actively Exploited Out-of-Bounds Write in Google Chrome V8
8.84%KEV
KEV

From the original article

2 min read at theregister.com

Both Google and Uncle Sam warned that attackers have exploited a zero-day improper authorization bug in Pixel phones' cellular modems that can bypass permission checks and escalate privileges with no user interaction required. The hole has since been closed, provided that you update.

The Register · Security

By Jessica Lyons · theregister.com

Read the full article at The Register · Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.