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CVE-2026-84637

🗓️ 01 Sep 2026 21:25:08Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 32 Views

Thunderbird 154 calendar invitations launch executables via file URI attachments on Windows.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-84637
1 Sep 202621:25
alpinelinux
circl
Circl
CVE-2026-84637
2 Sep 202604:47
circl
cvelist
Cvelist
CVE-2026-84637 Calendar invitation attachments could launch local executables
1 Sep 202621:25
cvelist
debiancve
Debian CVE
CVE-2026-84637
1 Sep 202621:25
debiancve
euvd
EUVD
EUVD-2026-69703
2 Sep 202600:31
euvd
kaspersky
Kaspersky
KLA91251 Multiple vulnerabilities in Mozilla Thunderbird ESR
1 Sep 202600:00
kaspersky
nessus
Tenable Nessus
Mozilla Thunderbird < 153.2
1 Sep 202600:00
nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 154.0
19 Aug 202600:00
nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 153.2
1 Sep 202600:00
nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 154.0
19 Aug 202600:00
nessus
Rows per page
NVD
Node
OR
mozillathunderbirdRange<153.2.0
mozillathunderbirdRange154.0155.0
[
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.2",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "154",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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03 Sep 2026 19:02Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.8
EPSS0.0034
SSVC
32