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Vendor advisories

Security advisories from the vendors you use.

Search new and updated bulletins from Microsoft, Citrix, Cisco, Palo Alto Networks, Fortinet, Ivanti, Delinea, Ubuntu, and AWS. We keep each vendor's advisory ID, affected products, CVEs, severity, dates, and available fix guidance together.

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11Vendor sources
16,372Advisories collected
5,892Published or updated in 30 days
6,724Marked critical or high
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The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.

16,372 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

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Palo Alto Networks Security AdvisoriesCVE-2026-109618
CriticalCVSS 9.2

CVE-2026-109618: Impact of Critical Vulnerabilities in PHP (CVE-2026-109618, CVE-2026-109619) on Palo Alto Networks Products

Palo Alto Networks is aware of two critical vulnerabilities in PHP: CVE-2026-109618 and CVE-2026-109619. CVE-2026-109618 involves a remote code execution vulnerability where handling out-of-memory errors via longjmp() leaves request memory uninitialized due to improper control...

Affected productsBridgecrew, Cloud NGFW, Cortex Cloud, Cortex XDR Agent
Fixed versionsBridgecrew All, Cloud NGFW All, Cortex Cloud All, Cortex XDR Agent All
Vendor guidance

PAN-OS This issue will be fixed in the upcoming releases of PAN-OS. This advisory will be updated with fixed versions and release estimates as they become available. Until PAN-OS fix versions are available we recommen...

CVE-2026-109618CVE-2026-109619
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Palo Alto Networks Security AdvisoriesCVE-2026-111497
CriticalCVSS 9.2

CVE-2026-111497: Portfolio Status: Impact of Brotli Vulnerability (CVE-2026-111497) on Palo Alto Networks Products

Palo Alto Networks is aware of the vulnerability in Brotli: CVE-2026-111497. A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decod...

Affected productsPrisma Cloud - Application Security Transporter Client, PAN-OS, PAN-OS 11.1, PAN-OS 10.2
Fixed versionsPrisma Cloud - Application Security Transporter Client >= 0.2.9, PAN-OS 12.2 >= 12.2.4-h1, PAN-OS 12.1 >= 12.1.4-h13 (ETA: 10/29), >= 12.1.7-h11, >= 12.1.10-h3 (ETA: 10/30), PAN-OS 11.2 >= 11.2.4-h23 (ETA: 10/30), >= 11.2.7-h23, >= 11.2.10-h17, >= 11.2.13-h4, >= 11.2.16-h1
Vendor guidance

PAN-OS This issue will be fixed in the upcoming releases of PAN-OS. Refer Product Status table for details. Until PAN-OS fix versions are available we recommend implementing the workaround and mitigations listed below...

CVE-2026-111497
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Ubuntu Security NoticesUSN-8957-1
Severity not listed

USN-8957-1: authd vulnerability

Ali Mashally discovered that authd did not properly validate user identities when matching accounts from identity providers. An attacker could possibly use this issue to gain access to another user's local account and files, resulting in unauthorized access to sensitive inform...

Read the vendor advisory
Cisco Security Advisoriescisco-sa-voice-hardening-twgbH9e3
CriticalPriority signal

Cisco Unified Communications Products Security Hardening Release: October 2026

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service...

Affected productsEmergency Responder, Prime Collaboration Deployment, Unified CM, Unified CM IM&P
Vendor guidance

To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class - Common Weakness Enumeration (CWE) - and assigned a single Common Vulnerab...

CVE-2026-76473CVE-2026-76474CVE-2026-76475CVE-2026-76476CVE-2026-76477CVE-2026-76478
Read the vendor advisory Watch this product
Cisco Security Advisoriescisco-sa-exwy-hardening-FhcqBVcs
HighPriority signal

Cisco Expressway Series Security Hardening Release: October 2026

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internall...

Vendor guidance

To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class - Common Weakness Enumeration (CWE) - and assigned a single Common Vulnerab...

CVE-2026-76490CVE-2026-76491CVE-2026-76492CVE-2026-76493CVE-2026-76494CVE-2026-76495
Read the vendor advisory
Microsoft Security Response CenterCVE-2026-96225
HighCVSS 7.8

.NET Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Affected products.NET 8.0 runtime installed on Mac OS, .NET 10.0 runtime installed on Mac OS, .NET 11.0 runtime installed on Linux, .NET 11.0 runtime installed on Mac OS
Fixed versions8.0.32, 10.0.13, 11.0.0-rc.2, 9.0.21
Vendor guidance

Release Notes Install KB5130034. Install KB5130036. Install KB5130035.

CVE-2026-96225
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-70277
HighCVSS 5.5

Windows Fast FAT File System Driver Information Disclosure Vulnerability

Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose information locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-70277
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-70161
HighCVSS 7.3

.NET Elevation of Privilege Vulnerability

Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.

Affected products.NET 11.0 runtime installed on Windows, .NET 9.0 runtime installed on Windows, .NET 10.0 runtime installed on Windows, Microsoft Visual Studio 2026 version 18.10
Fixed versions11.0.100-rc.2, 9.0.319, 9.0.122, 10.0.402, 18.10.4
Vendor guidance

Release Notes Install KB5130035. Install KB5130036.

CVE-2026-70161
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-70007
HighCVSS 8.8

.NET Framework Remote Code Execution Vulnerability

Out-of-bounds write in .NET Framework allows an unauthorized attacker to execute code over a network.

Affected productsMicrosoft .NET Framework 3.5 on Windows Server 2012, Microsoft .NET Framework 3.5 on Windows Server 2012 R2, .NET 8.0 runtime installed on Windows, .NET 9.0 runtime installed on Windows
Fixed versions2.0.50727.8987 AND 3.0.30729.8982, 8.0.32, 9.0.21, 10.0.13
Vendor guidance

Release Notes Install KB5127660. Install KB5127664. Install KB5130034. Install KB5130035. Install KB5130036. Install KB5127689. Install KB5127690. Install KB5127691. Install KB5127692. Install KB5127694. Install KB512...

CVE-2026-70007
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88078
MediumCVSS 4.3

Microsoft Edge (Chromium-based) Spoofing Vulnerability

According to the CVSS metrics, successful exploitation of this vulnerability could lead to no loss of confidentiality (C:N) and integrity (I:N), but could lead to some loss of availability (A:L). What does that mean for this vulnerability? An attacker using either a specially-...

Affected productsMicrosoft Edge (Chromium-based)
Fixed versions156.0.4314.42
Vendor guidance

Release Notes

CVE-2026-88078
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-69473
Severity not listedCVSS 7.0

Windows Kernel Elevation of Privilege Vulnerability

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-69473
Read the vendor advisory
Microsoft Security Response CenterCVE-2026-69284
Severity not listedCVSS 7.8

Windows DCOM Server Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DCOM Server allows an authorized attacker to elevate privileges locally.

Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-69284
Read the vendor advisory
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Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

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