CVE-2026-12458

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

Ranks above 8.9% of scored records. A rank, not a probability.

NVD base score

3.1 (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:L/I:N/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-06-17 01:38Z2 MO AGO

Last updated

2026-06-17 10:50Z2 MO AGO

Reserved

2026-06-16

Assigning CNA

Chrome

Record state

PUBLISHED

Severity

Low (CVSS 3.1)

CNA CVSS vector

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

Weaknesses

• CWE-451User Interface (UI) Misrepresentation of Critical InformationClass
• CWE-940Improper Verification of Source of a Communication ChannelBase

Data version

5.2

Document digest

4919ef64c2bf8cbe4debec2a4d0c014f0db23a13c1a0cefdfd39415587d7fa28

• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html
• issues.chromium.orghttps://issues.chromium.org/issues/517258337