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CVE-2026-8090

Medium

Elevated severity or exploit probability.

CVSS base
7.3 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS — probability of exploitation (30 days)
0.3%
24.8th percentile
CISA KEV
Not listed
Weakness / dates
CWE-825
Published 2026-05-07 · modified 2026-07-28

CVSS breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack VectorNNetwork
Attack ComplexityLLow
Privileges RequiredNNone
User InteractionNNone
ScopeUUnchanged
ConfidentialityLLow
IntegrityLLow
AvailabilityLLow

Timeline

Description

Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

Affected

mozilla

References

Official: NVD · CVE.org