Samsung security patch: September 2026

Updated October 26, 2026

SMR Sep-2026 fixes 80 vulnerabilities, 20 of them critical. Android Security Bulletin: 58, Samsung Semiconductor: 1, Samsung-specific issues (SVE): 21. A Galaxy firmware with the security patch level 2026-09-01 or later includes all of these fixes.

By the Samsung update data we track, 298 Galaxy models have received builds with this patch level so far. The first one was SM-A076B (Samsung Galaxy A07 5G) on 2026-09-10.

First build

2026-09-10

10 models

2026-09-15 +5 days

50 models

2026-09-22 +12 days

100 models

2026-09-28 +18 days

Models so far

298

Vulnerabilities fixed in SMR Sep-2026

Samsung-specific fixes (21 disclosed)

• criticalSVE-2026-3247 / CVE-2026-21095
  Heap-based buffer overflow in DNG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.
  Affected: Android 14, 15, 16, 17
• criticalSVE-2026-3282 / CVE-2026-21096
  Heap-based buffer overflow in JPEG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.
  Affected: Android 14, 15, 16, 17
• highSVE-2026-1849 / CVE-2026-21087
  Out-of-bounds write in libmdnie.so prior to SMR Sep-2026 Release 1 allows local attackers to execute arbitrary code with system server privilege.
  Affected: Android 15, 16, 17
• highSVE-2026-2219 / CVE-2026-21140
  Improper access control in ManagedProvisioning prior to SMR Sep-2026 Release 1 allows local attackers to install arbitrary applications.
  Affected: Android 14, 15, 16, 17
• highSVE-2026-3217 / CVE-2026-21094
  Improper input validation in wpa_supplicant prior to SMR Sep-2026 Release 1 allows adjacent attackers to write out-of-bounds memory.
  Affected: Android 14, 15, 16, 17
• highSVE-2026-3314 / CVE-2026-21104
  Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
  Affected: Android 15, 16, 17
• moderateSVE-2026-0168 / CVE-2026-21098
  Improper access control in Link to Windows prior to SMR Sep-2026 Release 1 allows local attackers to establish a connection with the PC without proper user interaction.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-0828 / CVE-2026-21085
  Out-of-bounds write in Keymaster trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to write out-of-bounds memory.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-0885 / CVE-2026-21103
  Path traversal in GalaxyDiagnostics prior to SMR Sep-2026 Release 1 allows physical attackers to access files with system privilege.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-1476 / CVE-2026-21099
  Improper access control in SettingsProvider prior to SMR Sep-2026 Release 1 allows local attackers to access sensitive information.
  Affected: Android 15, 16, 17
• moderateSVE-2026-1660 / CVE-2026-21086
  Improper authorization in ProxyHandler prior to SMR Sep-2026 Release 1 allows local attackers to access proxy configuration.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-1870 / CVE-2026-21088
  Improper input validation in loading a subtitle frame in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-1878 / CVE-2026-21089
  Improper input validation in removing style tag in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-1989 / CVE-2026-21090
  Out-of-bounds write in libsaviextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-2066 / CVE-2026-21091
  Out-of-bounds write in libcodec2secevrcdec.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-2233 / CVE-2026-21092
  Path traversal in ImsService prior to SMR Sep-2026 Release 1 allows remote attackers to create image files with system server privilege.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-2314 / CVE-2026-21100
  Improper access control in SystemUI prior to SMR Sep-2026 Release 1 allows local attackers to launch arbitrary activity.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-2461 / CVE-2026-21101
  Improper input validation in DualDAR driver prior to SMR Sep-2026 Release 1 allows local privileged attackers to potentially execute arbitrary code with root privilege.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-2687 / CVE-2026-21093
  Stack-based buffer overflow in PROCA trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to write out-of-bounds memory.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-3092 / CVE-2026-21102
  Use after free in DualDAR prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code with root privilege.
  Affected: Android 14, 15, 16, 17
• moderateSVE-2026-3462 / CVE-2026-21097
  Improper authentication in ActivityTaskManagerService prior to SMR Sep-2026 Release 1 allows local privileged attackers to launch arbitrary activity.
  Affected: Android 14, 15, 16, 17

Galaxy models with the September 2026 patch

Earliest release first. Dates are the first region release from Samsung's update documentation. Regions: CSC regions with this patch / all regions the model has builds for. Update tier: how often Samsung promises security updates for the model (EE: Enterprise Edition).

Galaxy S (95)

Galaxy A (76)

Galaxy Z (60)

Galaxy Tab (46)

Galaxy M (7)

Other Galaxy (14)

Still waiting for the September 2026 patch (327)

Galaxy models with a firmware build in the last four months whose newest build has an older patch level, monthly update tier first. Quarterly models may skip this month and get a later patch, which includes these fixes as well.

FAQ

Some Samsung-specific items are not disclosed by Samsung and are not listed.