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No exploitation reported

CVE-2026-48183

Improper Permission Handling in Buffer Operations Enables Unauthorized Memory Mappings

No exploitation reported by the sources we read.

  • Published2026-11-05
  • WeaknessCWE-281

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper permission handling during buffer operations allows untrusted applications to create memory mappings with inappropriate permissions

Timeline

dates in UTC
  1. 2026-11-0502:42CVE publishedCNA

Versions per branch

Products declared by the CNA

As samsungsemiconductor, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Samsung Semiconductor Exynos 1480other versions: not affected
    Affected
    • < October 2026fixed in October 2026date
  • Samsung Semiconductor Exynos 2400other versions: not affected
    Affected
    • < October 2026fixed in October 2026date
  • Samsung Semiconductor Exynos 1580other versions: not affected
    Affected
    • < October 2026fixed in October 2026date
  • Samsung Semiconductor Exynos 2500other versions: not affected
    Affected
    • < October 2026fixed in October 2026date
  • Samsung Semiconductor Exynos 2600other versions: not affected
    Affected
    • < October 2026fixed in October 2026date
  • Samsung Semiconductor Exynos 1680other versions: not affected
    Affected
    • < October 2026fixed in October 2026date

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-05

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-48183 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Published
2026-11-05
Last Modified
2026-11-10
NVD status
Deferred
GitHub Advisory
GHSA-c7jf-mm5v-x692

Frequently asked questions

What is CVE-2026-48183?

Improper permission handling during buffer operations allows untrusted applications to create memory mappings with inappropriate permissions

Is CVE-2026-48183 actively exploited?

Active exploitation of CVE-2026-48183 has not been confirmed. Its EPSS score was 0.1% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-48183?

CVE-2026-48183 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

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