CISA known exploited vulnerabilities
Under attack. Patch these first.
Page 5 of 23
Alerts tracked
3939
Security flaws we track for Upstate SC businesses.
Known exploited
545
On CISA’s list of vulnerabilities attackers are actively using. Patch these first.
New exploited this month
2
Fresh additions to that CISA list since the first of the month.Feeds last synced Oct 5, 2026, 6:01 AM UTC.
Showing page 5 (24 alerts) of 545 known-exploited alerts.
Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability
Palo Alto Networks PAN-OS is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-0300). Palo Alto Networks PAN-OS contains an out-of-bounds write vulnerability in the User-ID Authentication Portal (aka Captive Portal) service that can allow an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. CISA remediation due date: 2026-05-09. If you need help checking exposure, call (864) 335-9223.
Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-31431). Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation. CISA remediation due date: 2026-05-15. If you need help checking exposure, call (864) 335-9223.
WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability
WebPros cPanel & WHM and WP2 (WordPress Squared) is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-41940). WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel. CISA remediation due date: 2026-05-03. If you need help checking exposure, call (864) 335-9223.
ConnectWise ScreenConnect Path Traversal Vulnerability
ConnectWise ScreenConnect is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2024-1708). ConnectWise ScreenConnect contains a path traversal vulnerability which could allow an attacker to execute remote code or directly impact confidential data and critical systems. CISA remediation due date: 2026-05-12. If you need help checking exposure, call (864) 335-9223.
Samsung MagicINFO 9 Server Path Traversal Vulnerability
Samsung MagicINFO 9 Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2024-7399). Samsung MagicINFO 9 Server contains a path traversal vulnerability that could allow an attacker to write arbitrary files as system authority. CISA remediation due date: 2026-05-08. If you need help checking exposure, call (864) 335-9223.
SimpleHelp Path Traversal Vulnerability
SimpleHelp SimpleHelp is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2024-57728). SimpleHelp contains a path traversal vulnerability that allows admin users to upload arbitrary files anywhere on the file system by uploading a crafted zip file (i.e. zip slip). This can be exploited to execute arbitrary code on the host in the context of the SimpleHelp server user. CISA remediation due date: 2026-05-08. If you need help checking exposure, call (864) 335-9223.
SimpleHelp Missing Authorization Vulnerability
SimpleHelp SimpleHelp is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2024-57726). SimpleHelp contains a missing authorization vulnerability that could allow low-privileged technicians to create API keys with excessive permissions. These API keys can be used to escalate privileges to the server admin role. CISA remediation due date: 2026-05-08. If you need help checking exposure, call (864) 335-9223.
Microsoft Defender Insufficient Granularity of Access Control Vulnerability
Microsoft Defender is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-33825). Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally. CISA remediation due date: 2026-05-06. If you need help checking exposure, call (864) 335-9223.
Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
Cisco Catalyst SD-WAN Manager is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-20133). Cisco Catalyst SD-WAN Manager contains an exposure of sensitive information to an unauthorized actor vulnerability that could allow remote attackers to view sensitive information on affected systems. CISA remediation due date: 2026-04-23. If you need help checking exposure, call (864) 335-9223.
Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
Cisco Catalyst SD-WAN Manager is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-20128). Cisco Catalyst SD-WAN Manager contains a storing passwords in a recoverable format vulnerability that allows an authenticated, local attacker to gain DCA user privileges by accessing a credential file for the DCA user on the filesystem as a low-privileged user. CISA remediation due date: 2026-04-23. If you need help checking exposure, call (864) 335-9223.
Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability
Cisco Catalyst SD-WAN Manger is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-20122). Cisco Catalyst SD-WAN Manager contains an incorrect use of privileged APIs vulnerability due to improper file handling on the API interface of an affected system. An attacker could exploit this vulnerability by uploading a malicious file on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on the affected system and gain vmanage user privileges. CISA remediation due date: 2026-04-23. If you need help checking exposure, call (864) 335-9223.
JetBrains TeamCity Relative Path Traversal Vulnerability
JetBrains TeamCity is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2024-27199). JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed. CISA remediation due date: 2026-05-04. If you need help checking exposure, call (864) 335-9223.
PaperCut NG/MF Improper Authentication Vulnerability
PaperCut NG/MF is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2023-27351). PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class. CISA remediation due date: 2026-05-04. If you need help checking exposure, call (864) 335-9223.
Apache ActiveMQ Improper Input Validation Vulnerability
Apache ActiveMQ is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-34197). Apache ActiveMQ contains an improper input validation vulnerability that allows for code injection. CISA remediation due date: 2026-04-30. If you need help checking exposure, call (864) 335-9223.
Microsoft SharePoint Server Improper Input Validation Vulnerability
Microsoft SharePoint Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-32201). Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network. CISA remediation due date: 2026-04-28. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Remote Code Execution vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2009-0238). Microsoft Office Excel contains a remote code execution vulnerability that could allow an attacker to take complete control of an affected system if a user opens a specially crafted Excel file that includes a malformed object. CISA remediation due date: 2026-04-28. If you need help checking exposure, call (864) 335-9223.
Adobe Acrobat and Reader Prototype Pollution Vulnerability
Adobe Acrobat and Reader is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-34621). Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution. CISA remediation due date: 2026-04-27. If you need help checking exposure, call (864) 335-9223.
Fortinet FortiClient EMS SQL Injection Vulnerability
Fortinet FortiClient EMS is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-21643). Fortinet FortiClient EMS contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests. CISA remediation due date: 2026-04-16. If you need help checking exposure, call (864) 335-9223.
Microsoft Windows Link Following Vulnerability
Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-60710). Microsoft Windows contains a link following vulnerability that allows for privilege escalation CISA remediation due date: 2026-04-27. If you need help checking exposure, call (864) 335-9223.
Microsoft Windows Out-of-Bounds Read Vulnerability
Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2023-36424). Microsoft Windows Common Log File System Driver contains an out-of-bounds read vulnerability that could allow a threat actor for privileges escalation CISA remediation due date: 2026-04-27. If you need help checking exposure, call (864) 335-9223.
Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability
Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2023-21529). Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution. CISA remediation due date: 2026-04-27. If you need help checking exposure, call (864) 335-9223.
Adobe Acrobat Use-After-Free Vulnerability
Adobe Acrobat is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-9715). Adobe Acrobat contains a use-after-free vulnerability that allows for code execution CISA remediation due date: 2026-04-27. If you need help checking exposure, call (864) 335-9223.
Microsoft Visual Basic for Applications Insecure Library Loading Vulnerability
Microsoft Visual Basic for Applications (VBA) is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2012-1854). Microsoft Visual Basic for Applications (VBA) contains an insecure library loading vulnerability that could allow for remote code execution. CISA remediation due date: 2026-04-27. If you need help checking exposure, call (864) 335-9223.
Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability
Ivanti Endpoint Manager Mobile (EPMM) is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-1340). Ivanti Endpoint Manager Mobile (EPMM) contains a code injection vulnerability that could allow attackers to achieve unauthenticated remote code execution. CISA remediation due date: 2026-04-11. PremierePC tracks KEV alerts for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.