Vulnpedia
← All CVEs

CVE-2026-21064

HIGH 7

Published 2026-08-10 · Last modified 2026-08-10

Improper access control in Weaver prior to SMR Aug-2026 Release 1 allows local attackers to cause device inoperability.

ELEVATED IMPACT

Severe if exploited (CVSS 7), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

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

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

7CVSS 4.0 · HIGH

  • ConfidentialityNone
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Requires local access to the host
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable
  • ✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-21064/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-21064/poc.json

Affected

Vendors Samsung Mobile Samsung

Products Samsung Mobile Devices Android

Weakness (CWE)

  • CWE-284: Improper Access Control

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Known Affected Software Configurations

VendorProductVersion range
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid14.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid15.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0
SamsungAndroid16.0

All CVSS metrics

  • HIGH 7 v4.0 · CNA Primary
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  • HIGH 7 v4.0 · NVD Secondary
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  • MEDIUM 5.5 v3.1 · NVD Primary
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Advisories

Sources: NVD · CVE.org · EPSS