CVE-2026-21090
Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers...
Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
- Record
CVE-2026-21090- CVSS 4.0
- 4.4 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2026-74631
Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
- Record
EUVD-2026-74631- CVSS 4.0
- 4.4 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2f8v-qv4p-9qjm
Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers...
Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
- Record
GHSA-2f8v-qv4p-9qjm- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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 - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
- Record
CVE-2026-21090- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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 - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21090 is a medium vulnerability (CVSS 4.4) in Samsung Android, published September 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.