PULSE
ES
FEED
ransomwallstreet reclama a Prism Medical Products · US · Healthcareransomn0n reclama a PROTEX Confection · TN · Manufacturingransomn0n reclama a SunTechnics Fabrisolar AG · CH · Energy & Utilitiesransomemperador reclama a B2Chat · Technologyransomqilin reclama a Coop Italia · IT · Retail & E-Commerceransomqilin reclama a SEPIVER · MX · Not Foundransomlockbit5 reclama a istanbultrading.com · TR · Retail & E-Commerceransomsilentransomgroup reclama a M... C... · Not Foundransomqilin reclama a United Restaurant Supply · US · Hospitalityransombravox reclama a AMSAM · FR · Not Foundransombravox reclama a Barrow & Grimm · US · Not Foundransomsilentransomgroup reclama a M...r · Not Foundransomsilentransomgroup reclama a Kirkland & Ellis LLP · US · Professional Servicesransomakira reclama a Bethany Press International · Retail & E-Commerceransomwallstreet reclama a Prism Medical Products · US · Healthcareransomn0n reclama a PROTEX Confection · TN · Manufacturingransomn0n reclama a SunTechnics Fabrisolar AG · CH · Energy & Utilitiesransomemperador reclama a B2Chat · Technologyransomqilin reclama a Coop Italia · IT · Retail & E-Commerceransomqilin reclama a SEPIVER · MX · Not Foundransomlockbit5 reclama a istanbultrading.com · TR · Retail & E-Commerceransomsilentransomgroup reclama a M... C... · Not Foundransomqilin reclama a United Restaurant Supply · US · Hospitalityransombravox reclama a AMSAM · FR · Not Foundransombravox reclama a Barrow & Grimm · US · Not Foundransomsilentransomgroup reclama a M...r · Not Foundransomsilentransomgroup reclama a Kirkland & Ellis LLP · US · Professional Servicesransomakira reclama a Bethany Press International · Retail & E-Commerce
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CVE WatchOct 13, 2026

CVE-2026-109783

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox ESR 153.5 and Thunderbird 153.5.

CVSS

—

No CVSS

EPSS

0.2%

p5

KEV

—

Exploit Today

1

0-100

Published: Oct 13, 2026 · Last modified: Oct 13, 2026

EPSS · 30d
0.2%EPSS · 30 days0.2%
2026-10-142026-10-22
Technical description

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox ESR 153.5 and Thunderbird 153.5.

Official references
Related CVEs

No related CVEs by CWE or product.