CVE-2026-9078

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 ImpactpartialSuccessful exploitation gives limited 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

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 9.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Undergoing Analysis. NVD last modified this record on 2026-07-23.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-05-25 14:05Z5 MO AGO

Last updated

2026-05-26 20:09Z5 MO AGO

Reserved

2026-05-20

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-451User Interface (UI) Misrepresentation of Critical InformationClass

Data version

5.2

Document digest

c5657be8cf055f24964a983b0c0c365a308df2eabd9f49d27a20d3b38b772b0a

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2029371
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-52/