CVE-2026-92042

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 12.5% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-05.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-09-15 12:34Z1 MO AGO

Last updated

2026-09-20 00:25Z1 MO AGO

Reserved

2026-09-15

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

1bae44ba380a377ee3a160cb3410ce35f2489802c6096c060bec6880d252ac3c

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2049342
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-90/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-93/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-94/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-96/