Unauthenticated remote code execution in Android OS affecting millions of devices; exploitable without user interaction, requiring org-wide mitigation.
CVE-2026-58876
Android use-after-free allows remote code execution with no user interaction
Is CVE-2026-58876 being exploited?
Not confirmed. CVE-2026-58876 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-58876?
CVE-2026-58876 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-58876?
Yes. A fix has been recorded for CVE-2026-58876. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-58876 affect?
CVE-2026-58876 affects Android OS (see Nov 2026 Security Bulletin), Android mobile devices. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-58876?
Install Android security updates immediately and isolate unpatched devices
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution via use-after-free; attacker can run arbitrary code and fully compromise affected devices.
Immediate action required
- affected17
- affected16-qpr2
- affected16
- affected15
- affected14
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
cisa ssvc
- exploitation
- none
- automatable
- yes
- technical impact
- total
Assessed by CISA 4 Nov 2026 (SSVC 2.0.3).
timeline
- 2 Nov 2026Published
- 4 Nov 2026CISA SSVC assessment: exploitation none · 1 day later
- 4 Nov 2026CVE record last updated · same day later
- 5 Nov 2026Analysed by vulneraibility.com · 1 day later
- Linksource.android.com /docs/security/bulletin/2026/2026-11-01
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.