CC

INITIALIZING

📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia

About FAQ Contact Us Terms of Service Privacy Policy 🌐 العربية

🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable. ●

Search Center

ESC to close

Quick Access

🎙️ Episodes 📰 News ⚠️ Threats 🛡️ CVEs 🏛️ Frameworks ❓ FAQs

Global data_breach → Government CRITICAL 1h Global ransomware → Financial Services / Cybersecurity CRITICAL 2h Global vulnerability → Information Technology / Cybersecurity CRITICAL 4h Global malware → Energy and Utilities CRITICAL 4h Global ransomware → Multiple sectors CRITICAL 5h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 7h Global supply_chain → Information Technology and Critical Infrastructure CRITICAL 7h Global phishing → Multiple sectors HIGH 8h Global insider → Cybersecurity Services CRITICAL 8h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 8h Global data_breach → Government CRITICAL 1h Global ransomware → Financial Services / Cybersecurity CRITICAL 2h Global vulnerability → Information Technology / Cybersecurity CRITICAL 4h Global malware → Energy and Utilities CRITICAL 4h Global ransomware → Multiple sectors CRITICAL 5h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 7h Global supply_chain → Information Technology and Critical Infrastructure CRITICAL 7h Global phishing → Multiple sectors HIGH 8h Global insider → Cybersecurity Services CRITICAL 8h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 8h Global data_breach → Government CRITICAL 1h Global ransomware → Financial Services / Cybersecurity CRITICAL 2h Global vulnerability → Information Technology / Cybersecurity CRITICAL 4h Global malware → Energy and Utilities CRITICAL 4h Global ransomware → Multiple sectors CRITICAL 5h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 7h Global supply_chain → Information Technology and Critical Infrastructure CRITICAL 7h Global phishing → Multiple sectors HIGH 8h Global insider → Cybersecurity Services CRITICAL 8h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 8h

Vulnerabilities ›

CVE-2026-25961

High ⚡ Exploit Available

SumatraPDF is a multi-format reader for Windows. In 3.5.0 through 3.5.2, SumatraPDF's update mechanism disables TLS hostname verification (INTERNET_FLAG_IGNORE_CERT_CN_INVALID) and executes installers

CWE-295 — Weakness Type

                    Published: Feb 9, 2026                      ·  Modified: Feb 28, 2026                      ·  Source: NVD                

CVSS v3

7.5

🔗 NVD Official

📄 Description (English)

SumatraPDF is a multi-format reader for Windows. In 3.5.0 through 3.5.2, SumatraPDF's update mechanism disables TLS hostname verification (INTERNET_FLAG_IGNORE_CERT_CN_INVALID) and executes installers without signature checks. A network attacker with any valid TLS certificate (e.g., Let's Encrypt) can intercept the update check request, inject a malicious installer URL, and achieve arbitrary code execution.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 1

https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-xpm2-rr5m-x96q

security-advisories@github.com

Exploit Vendor Advisory

📦 Affected Products / CPE 1 entries

sumatrapdfreader:sumatrapdf

📊 CVSS Score

7.5

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorN — None / Network

Attack ComplexityH — High

Privileges RequiredN — None / Network

User InteractionR — Required

ScopeU — Unchanged

ConfidentialityH — High

IntegrityH — High

AvailabilityH — High

📋 Quick Facts

Severity High

CVSS Score7.5

CWECWE-295

EPSS0.02%

Exploit ✓ Yes

Patch ✓ Yes

Published 2026-02-09

Source Feed nvd

Views 2

🏷️ Tags

exploit-available CWE-295

🏢 Vendor Advisories

🔗 https://github.com/sumatrapdfreader/sumatrapdf/secur...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

📣 Found this valuable?

Share it with your cybersecurity network

in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram

🍪 Privacy Preferences

CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)

We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.

🔒

Essential Always On

Required for the website to function properly. Cannot be disabled.

📋 Sessions, CSRF tokens, authentication, language preferences

📊

Analytics

Help us understand how visitors use the site and improve performance.

📋 Page views, session duration, traffic sources, performance metrics

⚙️

Functional

Enable enhanced features like content personalization and preferences.

📋 Dark/light theme, font size, custom dashboards, saved filters

📣

Marketing

Used to deliver content and ads relevant to your interests.

📋 Campaign tracking, retargeting, social media analytics

Privacy Policy →

CISO AI Assistant

Ask anything · Documents · Support

🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared

5 / 5

🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Email Address

CISO AI · Powered by Anthropic Claude

✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.

⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉

Thank you!

Your response has been recorded.