VulnSocial

CVE-2026-117862

LOWCVSS 9.8 · CRITICAL

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

Privilege escalation due to incorrect boundary conditions in the 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
Weakness type (CWE)
CWE-119

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
00111Mentions · 2026-11-04: 111-04
Referenced assets1 URL
By indicator
Full discourse1 post
  • 朝8時の図解テックニュース｜AI×エンジニア@zukai_ai_news

    CVE-2026-117862 Firefox・ThunderbirdにCVSS 9.8（v3.1・v4.0未公開）の権限昇格。Firefox 159、ESR 115.44／153.6、Thunderbird 159／153.6で修正済み。早めの更新を。 https://nvd.nist.gov/vuln/detail/CVE-2026-117862 https://t.co/wQUh0XaOhj

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