CVE-2026-21102: Use after free in DualDAR prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code…
- Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
- How likely is exploitation in the next 30 days?
- 0.2%
Up from 0.1% on .
EPSS score, percentile 6.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 9.3 Critical
CVSS v4.0 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Unaffected SMR Sep-2026 Release in Android 14, 15, 16, 17
Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Unaffected | SMR Sep-2026 Release in Android 14, 15, 16, 17 |
Versions not listed are: affected.
Versions the record lists as unaffected: SMR Sep-2026 Release in Android 14, 15, 16, 17.
Source: CVE List, as of . About the data.
About this vulnerability
Use after free in DualDAR prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code with root privilege.
Summary: CVE record, as of .
- CISA has not added CVE-2026-21102 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
- The CVE record was published on 9 Sep 2026.
- The CVE record carries a CVSS v4.0 base score of 9.3 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.2% (percentile 6.9), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
- CISA's SSVC assessment in the CVE record: exploitation none, automatable no, technical impact total.
Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.
Description
Use after free in DualDAR prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code with root privilege.
Source: CVE List, as of . About the data.
Weakness
CWE-416
- CWE-416: Use after free
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
1
Known exploited Samsung vulnerabilities
- CVE-2024-7399: Samsung MagicINFO 9 Server Path Traversal Vulnerability
- CVE-2025-21042: Samsung Mobile Devices Out-of-Bounds Write Vulnerability
- CVE-2025-21043: Samsung Mobile Devices Out-of-Bounds Write Vulnerability
- CVE-2025-4632: Samsung MagicINFO 9 Server Path Traversal Vulnerability
- CVE-2022-22265: Samsung Mobile Devices Use-After-Free Vulnerability