Skip to main content

CVE-2025-40139

in smc_clc_prfx_set(). vulnerability

smc_clc_prfx_set

MSRC advisory June 28, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2025-40139
Affected products
in smc_clc_prfx_set(). · in in smc_clc_prfx_set(). · in

What happened

Information published.

What it means for your business

in smc_clc_prfx_set(). vulnerability (CVE-2025-40139) was added to Microsoft’s security update guidance. Information published. If you need help checking exposure, call (864) 335-9223.

Sources

Related briefs

HighMicrosoft MSRC

CVE-2026-88097

Microsoft Edge (Chromium-based) Elevation of Privilege vulnerability

Microsoft Edge (Chromium-based) Elevation of Privilege vulnerability (CVE-2026-88097) was added to Microsoft’s security update guidance. <p>Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2026-53266

Linux Kernel Out-of-Bounds Write Vulnerability

Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-53266). Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-imported file page. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version. CISA remediation due date: 2026-09-21. If you need help checking exposure, call (864) 335-9223.

HighMicrosoft MSRC

CVE-2026-0899

Out of bounds memory access in V8 in Microsoft Edge vulnerability

Out of bounds memory access in V8 in Microsoft Edge vulnerability (CVE-2026-0899) was added to Microsoft’s security update guidance. Information published. If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2025-39964

Linux Kernel Race Condition Vulnerability

Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-39964). Linux Kernel contains a race condition vulnerability which allows concurrent writes to the same AF_ALG socket causing data to be unpredictably interleaved and creating inconsistencies in the socket's internal state. CISA remediation due date: 2026-09-21. If you need help checking exposure, call (864) 335-9223.

Need help patching?

PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.