CVE-2026-17809

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

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 10.2% of scored records. A rank, not a probability.

NVD base score

5.8 (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:L/I:L/A:L

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-23.

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

2026-07-30 00:19Z3 MO AGO

Last updated

2026-07-31 14:05Z2 MO AGO

Reserved

2026-07-27

Assigning CNA

Chrome

Record state

PUBLISHED

Severity

Medium (CVSS 5.8)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-1286Improper Validation of Syntactic Correctness of InputBase

Data version

5.2

Document digest

4d9d383a9123b324094d2c419faab8886143e5826de24cc7bf33928891a9389e

• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
• issues.chromium.orghttps://issues.chromium.org/issues/516813317