Cyber Posture

CVE-2026-8093

High

Published: 07 May 2026

Published
07 May 2026
Modified
08 May 2026
KEV Added
Patch
CVSS Score 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0001 2.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-8093 is a high-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Mozilla (inferred from references). Its CVSS base score is 8.1 (High).

Operationally, ranked at the 2.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-119

Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.

addresses: CWE-119

Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.

addresses: CWE-119

Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.

addresses: CWE-119

Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.

NVD Description

Memory safety bugs present in Thunderbird 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox…

more

150.0.2 and Thunderbird 150.0.2.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)

Affected Products

Mozilla
inferred from references and description; NVD did not file a CPE for this CVE

CVEs Like This One

CVE-2026-4710Shared CWE-119
CVE-2026-3394Shared CWE-119
CVE-2024-44238Shared CWE-119
CVE-2025-7775Shared CWE-119
CVE-2026-3437Shared CWE-119
CVE-2025-8044Shared CWE-119
CVE-2026-33847Shared CWE-119
CVE-2025-2521Shared CWE-119
CVE-2025-9185Shared CWE-119
CVE-2025-8034Shared CWE-119

References