CVE-2026-17666: google chrome Missing Cryptographic Step
CVSS: 9.1v3.1CriticalAnalyzed
AliasesDEBIAN-CVE-2026-17666CGA-6gj3-xcw3-mrcpCGA-76pf-c98m-qqqqCGA-p8qv-p7x9-ppvxCGA-rxcp-fjj7-35mhCGA-whx6-86c9-whfgCGA-xr7x-whr7-85g8
Published 30-07-2026Last modified 30-07-2026
Vulnerability summary
CVE-2026-17666 is a critical (CVSS 9.1) Missing Cryptographic Step vulnerability in google chrome. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.4% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)EPSS score
0.17%
0%100%
Low · -0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 3Timeline
- 30-07-2026PublishedVulnerability first disclosed.
- 30-07-2026Last modifiedVulnerability information updated.
Description
Cryptographic Flaw in Enterprise in Google Chrome prior to 151.0.7922.72 allowed an attacker in a privileged network position to bypass discretionary access control via malicious network traffic. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
-0.07 pp
From 0.24% on 21-09-2026
21-09-202621-10-2026
EPSS score0.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard3 products
- chromium< 151.0.7922.75-r0
- chromium-docker-selenium-compat< 151.0.7922.75-r0
- chromium-lang< 151.0.7922.75-r0
Wolfi3 products
- chromium< 151.0.7922.75-r0
- chromium-docker-selenium-compat< 151.0.7922.75-r0
- chromium-lang< 151.0.7922.75-r0
Debian1 product
- chromium< 151.0.7922.71-1~deb12u1 | < 151.0.7922.71-1~deb13u1 | < 151.0.7922.71-1
Google1 product
- chrome≥ 151.0.7922.72, < 151.0.7922.72 | < 151.0.7922.72
4 vendors · 8 products
References
3 links- chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/511761758Permissions Required
