CVE-2026-78952

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

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 34.4% of scored records. A rank, not a probability.

NVD base score

8.3 (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:C/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-27.

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

2026-08-25 20:10Z2 MO AGO

Last updated

2026-08-27 03:58Z2 MO AGO

Reserved

2026-08-25

Assigning CNA

Chrome

Record state

PUBLISHED

Severity

High (CVSS 8.3)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

ae20126da07cbc73b68e772f6af656279b433d780ab1c9dd05ab9c992accfc37

• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
• issues.chromium.orghttps://issues.chromium.org/issues/545820931