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Samsung October 2026 Security Patch Addresses 83 Vulnerabilities

Samsung October 2026 Security Patch Addresses 83 Vulnerabilities

First seen 6 Oct 2026, 17:04 UTC • •
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ThreatCluster AI
ThreatCluster •October 6, 2026 at 18:04 UTC
  • •Samsung's October patch fixes 83 vulnerabilities, including nine critical ones.
  • •Key vulnerabilities include CVE-2026-20519 and CVE-2026-20520, both rated high severity.
  • •Users can check for the patch under 'SMR Oct-2026 Release 1' in settings.

Samsung has released its October 2026 Security Maintenance Release, addressing a total of 83 vulnerabilities, including nine rated as. The vulnerabilities include CVE-2026-20519 and CVE-2026-20520, both published on October 5, 2026. Additionally, the patch includes 33 high-severity and three moderate-severity fixes. Samsung Semiconductor has added four high-severity patches for its proprietary chipsets. The vulnerabilities primarily affect devices running Android versions 14 through 17. Users can verify the patch by checking for 'SMR Oct-2026 Release 1' in their settings. The rollout will begin with flagship devices, particularly the Galaxy S lineup, before expanding to other models. Samsung has also disclosed 27 Samsung Vulnerabilities and Exposures (SVE), detailing 13 of them with six rated high severity.

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Timeline

2026-05-21
CVE-2026-43499 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
Critical CVEs published
CVE-2026-20519 and CVE-2026-20520, among others, were published, affecting Android devices.
Sammyfans
2026-10-05
CVE-2026-20520 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
CVE-2026-55266 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
CVE-2026-20527 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
CVE-2026-20589 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
CVE-2026-55270 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
CVE-2026-20586 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
CVE-2026-55286 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-10-05
CVE-2026-45524 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE

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Common questions

Which devices are affected by the vulnerabilities?
The vulnerabilities primarily affect devices running Android versions 14 through 17.
How can I check if my device is patched?
Users can verify the patch by checking for 'SMR Oct-2026 Release 1' in their device settings.
What should I do if I haven't received the update?
Check for the update manually in Settings -> Software Update -> Download and Install.