CVE-2018-17480

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-06-08. Federal remediation due 2022-06-22.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active 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

35.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.3% of scored records. A rank, not a probability.

NVD base score

8.8 (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:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2018-12-11 15:00Z7 YR AGO

Last updated

2025-10-21 23:45Z1 YR AGO

Reserved

2018-09-25

Assigning CNA

Chrome

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

433a7bf2367d467b29da1209ce8a31145b2362052fe2c3bb2b9c32ca29e7fc5e

• crbug.comhttps://crbug.com/905940x_refsource_MISC
• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.htmlx_refsource_CONFIRM
• access.redhat.comRHSA-2018:3803https://access.redhat.com/errata/RHSA-2018:3803vendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-4352https://www.debian.org/security/2018/dsa-4352vendor-advisoryx_refsource_DEBIAN
• www.securityfocus.com106084http://www.securityfocus.com/bid/106084vdb-entryx_refsource_BID
• security.gentoo.orgGLSA-201908-18https://security.gentoo.org/glsa/201908-18vendor-advisoryx_refsource_GENTOO
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-17480government-resource