CVE-2026-8953Patch(mozilla / firefox)

LOWCVSS 9.6 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch mozilla firefox systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

mozilla CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

Other references

https://bugzilla.mozilla.org/show_bug.cgi?id=2029511

Weakness type (CWE)

CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

firefox
thunderbird

Threat summary

Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 2 signals
Technical details provided in 2 signals
2 total mentions across 1 day

Affected systems

Vendors

mozilla

Products

firefoxthunderbird

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Patch

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud142d
Patch
🚨*CVE* CVE-2026-8953 Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thund… https://www.cve.org/CVERecord?id=CVE-2026-8953 ----- Traducción: CVE-2026-8953 Esc… http://infoflow.cloud`
Post summary
The post announces CVE-2026-8953, identifies it as a sandbox escape via use‑after‑free in the Disability Access APIs, and confirms that the issue has been fixed in recent Firefox releases.
0000066
78 followersView on X
CVE@CVEnew142d
Patch
CVE-2026-8953 Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thund… https://www.cve.org/CVERecord?id=CVE-2026-8953
Post summary
The statement announces CVE‑2026‑8953, a sandbox escape via use‑after‑free in the Disability Access APIs, and notes that it has been fixed in several Firefox releases.
00000197
57.5K followersView on X

CPE platform detail3 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

3 of 3 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	mozilla	firefox	-	-	-
App	mozilla	firefox	-	-	-
App	mozilla	thunderbird	-	-	-

Explore more

Back to dashboard mozilla CVEs firefox vulnerabilities