CVE-2026-117868

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

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0.0/ 10 priority

Sources & remediation

Other references

https://bugzilla.mozilla.org/show_bug.cgi?id=2059961
https://www.mozilla.org/security/advisories/mfsa2026-118/
https://www.mozilla.org/security/advisories/mfsa2026-119/
https://www.mozilla.org/security/advisories/mfsa2026-120/
https://www.mozilla.org/security/advisories/mfsa2026-121/

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Full discourse1 post

Yaqoub@unedsomc22h
Hey @itszn13 congrats! I’m Yaqoub Aldurayhim (CVE-2026-117868 sandbox escape on MFSA2026-118). Done similar Mozilla sandbox research. Any path for individual researchers to get Daybreak Red, or is it orgs only?
0000037
5 followersView on X

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