CVE-2026-17666: High Cryptographic Flaw in Enterprise
Chromium: CVE-2026-17666 Cryptographic Flaw in Enterprise
Other sources
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)
— NVD
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 151.0.4129.59 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 151.0.7922.72
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-85043
- CVE-2026-102324
- CVE-2026-87499
- CVE-2026-85052
- CVE-2026-84324
- CVE-2026-103630
- CVE-2026-95372
- CVE-2026-95351
- CVE-2026-17657
- CVE-2026-91708
- CVE-2026-95339
- CVE-2026-79201
- CVE-2026-95310
- CVE-2026-95356
- CVE-2026-19173
- CVE-2026-91737
- CVE-2026-79218
- CVE-2026-84325
- CVE-2026-91722
- CVE-2026-91724
- CVE-2026-91721
- CVE-2026-79219
- CVE-2026-19137
- CVE-2026-19170
- CVE-2026-87647
- CVE-2026-91736
- CVE-2026-87514
- CVE-2026-91716
- CVE-2026-95313
- CVE-2026-91749
- CVE-2026-84357
- CVE-2026-85051
- CVE-2026-85053
- CVE-2026-87628
- CVE-2026-79195
- CVE-2026-84349
- CVE-2026-78954
- CVE-2026-79174
- CVE-2026-79187
- CVE-2026-79274
- CVE-2026-78952
- CVE-2026-79078
Frequently Asked Questions
What is the severity of CVE-2026-17666?
CVE-2026-17666 has a critical severity rating of 9.1.
How do I fix CVE-2026-17666?
To mitigate CVE-2026-17666, users should update to Google Chrome version 151.0.7922.72 or later.
What causes CVE-2026-17666?
CVE-2026-17666 is caused by a cryptographic flaw that allows bypassing of discretionary access control.
Which software is affected by CVE-2026-17666?
CVE-2026-17666 affects Google Chrome and Microsoft Edge (Chromium-based).
What are the potential impacts of CVE-2026-17666?
CVE-2026-17666 can allow an attacker to exploit network traffic to gain unauthorized access to sensitive data.