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CVE-2026-20519

Type: advisorySource: Official CVE List1 source record

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01778993; Issue ID: MSV-8898.

Announced Group revision 1
Original source ↗

CVE-2026-20519

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-20519

MediaTek chipset

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "MediaTek, Inc.",
    "product": "MediaTek chipset",
    "versions": [
      {
        "status": "affected",
        "version": "MT2716"
      },
      {
        "status": "affected",
        "version": "MT2735"
      },
      {
        "status": "affected",
        "version": "MT2737"
      },
      {
        "status": "affected",
        "version": "MT6813"
      },
      {
        "status": "affected",
        "version": "MT6815"
      },
      {
        "status": "affected",
        "version": "MT6833"
      },
      {
        "status": "affected",
        "version": "MT6835"
      },
      {
        "status": "affected",
        "version": "MT6853"
      },
      {
        "status": "affected",
        "version": "MT6855"
      },
      {
        "status": "affected",
        "version": "MT6858"
      },
      {
        "status": "affected",
        "version": "MT6873"
      },
      {
        "status": "affected",
        "version": "MT6875"
      },
      {
        "status": "affected",
        "version": "MT6877"
      },
      {
        "status": "affected",
        "version": "MT6878"
      },
      {
        "status": "affected",
        "version": "MT6879"
      },
      {
        "status": "affected",
        "version": "MT6880"
      },
      {
        "status": "affected",
        "version": "MT6881"
      },
      {
        "status": "affected",
        "version": "MT6883"
      },
      {
        "status": "affected",
        "version": "MT6885"
      },
      {
        "status": "affected",
        "version": "MT6886"
      },
      {
        "status": "affected",
        "version": "MT6889"
      },
      {
        "status": "affected",
        "version": "MT6890"
      },
      {
        "status": "affected",
        "version": "MT6891"
      },
      {
        "status": "affected",
        "version": "MT6893"
      },
      {
        "status": "affected",
        "version": "MT6895"
      },
      {
        "status": "affected",
        "version": "MT6896"
      },
      {
        "status": "affected",
        "version": "MT6897"
      },
      {
        "status": "affected",
        "version": "MT6899"
      },
      {
        "status": "affected",
        "version": "MT6980"
      },
      {
        "status": "affected",
        "version": "MT6982"
      },
      {
        "status": "affected",
        "version": "MT6983"
      },
      {
        "status": "affected",
        "version": "MT6985"
      },
      {
        "status": "affected",
        "version": "MT6986"
      },
      {
        "status": "affected",
        "version": "MT6988"
      },
      {
        "status": "affected",
        "version": "MT6989"
      },
      {
        "status": "affected",
        "version": "MT6990"
      },
      {
        "status": "affected",
        "version": "MT6991"
      },
      {
        "status": "affected",
        "version": "MT6993"
      },
      {
        "status": "affected",
        "version": "MT8668"
      },
      {
        "status": "affected",
        "version": "MT8676"
      },
      {
        "status": "affected",
        "version": "MT8678"
      },
      {
        "status": "affected",
        "version": "MT8695"
      },
      {
        "status": "affected",
        "version": "MT8696"
      },
      {
        "status": "affected",
        "version": "MT8755"
      },
      {
        "status": "affected",
        "version": "MT8771"
      },
      {
        "status": "affected",
        "version": "MT8775"
      },
      {
        "status": "affected",
        "version": "MT8791"
      },
      {
        "status": "affected",
        "version": "MT8791T"
      },
      {
        "status": "affected",
        "version": "MT8792"
      },
      {
        "status": "affected",
        "version": "MT8793"
      },
      {
        "status": "affected",
        "version": "MT8796"
      },
      {
        "status": "affected",
        "version": "MT8797"
      },
      {
        "status": "affected",
        "version": "MT8798"
      },
      {
        "status": "affected",
        "version": "MT8863"
      },
      {
        "status": "affected",
        "version": "MT8873"
      },
      {
        "status": "affected",
        "version": "MT8883"
      },
      {
        "status": "affected",
        "version": "MT8893"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-20519

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#9003 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement