No. 07Week of September 23, 2026This week’s briefing
Tradecraft

The Wednesday BriefingWednesday, September 16, 2026

What the UK’s APP fraud reimbursement rules changed for fraud teams + 2 more

Wednesday, September 16, 2026. Covers September 10, 2026 to September 16, 2026.

From the editor

Three updates this week: the UK’s APP fraud reimbursement rules, a clarified compliance-date history for the FCC’s SIM-swap order, and a new eSIM question in our SIM swap explainer.

In this issue

Updated Explainer

The FCC’s SIM-swap rules: what carriers now have to do

The FCC’s 2023 order (FCC 23-95) requires US wireless carriers to authenticate customers securely before moving their number to a new SIM or provider, to notify customers of SIM change and port-out requests, and to offer account locks. It does not regulate how banks or apps use SMS codes.

What changed: Clarified the compliance-date history.

Route to Compliance Fraud & risk

Exploited this week

10 additions to CISA’s KEV catalog, Sep 10 to Sep 16.

CISA KEV additions, September 10, 2026 to September 16, 2026
CVEVendor and productVulnerabilityAddedDue (federal)Ransomware use
CVE-2026-87886Acronis BackupAcronis Backup Incorrect Default Permissions Vulnerability
CISA summary

Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.

Unknown
CVE-2026-76460Cisco Identity Services EngineCisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
CISA summary

Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) contain an incorrect use of privileged APIs vulnerability that could allow an unauthenticated, remote attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.

Unknown
CVE-2026-58704Google PixelGoogle Pixel Improper Authorization Vulnerability
CISA summary

Google Pixel devices contain an improper authorization vulnerability in the cellular modem. A logic error may allow an attacker to bypass permission checks and escalate privileges.

Unknown
CVE-2026-76461Cisco Secure Email GatewayCisco Secure Email Gateway SQL Injection Vulnerability
CISA summary

Cisco AsyncOS software for Cisco Secure Email Gateway (SEG) contains a SQL injection vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system.

Unknown
CVE-2026-85706GitLab Community Edition and Enterprise EditionGitLab Community Edition and Enterprise Edition Path Traversal Vulnerability
CISA summary

GitLab Community Edition and Enterprise Edition contains a path traversal vulnerability that allows an unauthenticated user to read arbitrary files due to an improper path confinement and missing authentication enforcement in the repository commits API.

Unknown
CVE-2026-84869ConnectWise ScreenConnectConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
CISA summary

ConnectWise ScreenConnect contains both an improper privilege management and missing authorization vulnerability that may allow an attacker to transfer and execute files through an active remote session without authorization or host confirmation.

Unknown
CVE-2026-42018JFrog ArtifactoryJFrog Artifactory Improper Authentication Vulnerability
CISA summary

JFrog Artifactory contains an improper authentication vulnerability that could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.

Unknown
CVE-2026-42016JFrog ArtifactoryJFrog Artifactory Incorrect Authorization Vulnerability
CISA summary

JFrog Artifactory contains an incorrect authorization vulnerability that leads to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

Unknown
CVE-2026-86060MikroTik RouterOSMikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability
CISA summary

MikroTik RouterOS contains an improper neutralization of argument delimiters in a command vulnerability which allows an attacker to change the trusted RouterOS policy mask, leading to privilege escalation.

Unknown
CVE-2026-67277MikroTik RouterOSMikroTik RouterOS Missing Authentication for Critical Function Vulnerability
CISA summary

MikroTik RouterOS contains a missing authentication for critical function vulnerability which allows kernel memory disclosure and denial of service in the btest service.

Unknown

Source: CISA Known Exploited Vulnerabilities catalog, version 2026.09.23. Due dates apply to US federal civilian agencies; summaries are CISA’s.