Skip to main content

Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since September 9, 2024.

Known ransomware use

CVE-2017-1000253

Linux Kernel PIE Stack Buffer Corruption Vulnerability

Linux · Kernel

Added to KEV September 9, 2024

Alert details

Source feed
CISA KEV
CVE ID
CVE-2017-1000253
CWE
CWE-119
Affected products
Kernel · Linux Kernel · Linux

What happened

Linux kernel contains a position-independent executable (PIE) stack buffer corruption vulnerability in load_elf_ binary() that allows a local attacker to escalate privileges.

What it means for your business

Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2017-1000253). Linux kernel contains a position-independent executable (PIE) stack buffer corruption vulnerability in load_elf_ binary() that allows a local attacker to escalate privileges. CISA remediation due date: 2024-09-30. If you need help checking exposure, call (864) 335-9223.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date: September 30, 2024

Sources

Related briefs

Microsoft MSRC

CVE-2026-70338

Microsoft PowerShell Security Feature Bypass vulnerability

Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-66804

Microsoft Windows Cross Device Service Elevation of Privilege vulnerability

Microsoft Windows Cross Device Service Elevation of Privilege vulnerability (CVE-2026-66804) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-65791

Windows iSCSI Target Service Remote Code Execution vulnerability

Windows iSCSI Target Service Remote Code Execution vulnerability (CVE-2026-65791) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.

Actively exploited (KEV)

CVE-2026-65400

Apple macOS Improper Authentication Vulnerability

Apple macOS is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-65400). Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials. CISA remediation due date: 2026-08-21. 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.