Search/CVE-2026-100798
● CVE — High

CVE-2026-100798

DiscoveredSep 29, 2026UpdatedOct 1, 2026

Cryptography misuse in Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

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CVSS v3.1
8.1 HIGH
EPSS
0.19%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Oct 2, 2026 → Oct 22, 2026
▲ 0.04pp
0.15% → 0.19% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Connections
1 relationships
Timeline
disclosure → media coverage
Sep 29, 2026
Disclosure — published as a CVE record.