CVE-2026-22645

The application discloses all used components, versions and license information to unauthenticated actors, giving attackers the opportunity to target known security vulnerabilities of used components...

CVE-2026-20821

Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized attacker to disclose information locally...

Inside RedVDS: How a single virtual desktop provider fueled worldwide cybercriminal operations

Over the past year, Microsoft Threat Intelligence observed the proliferation of RedVDS, a virtual dedicated server VDS provider used by multiple financially motivated threat actors to commit business email compromise BEC, mass phishing, account takeover, and financial fraud. Microsoft’s...

CVE-2026-20937

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally...

CVE-2026-20805

Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally...

CVE-2026-20827

Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface TWINUI Subsystem allows an authorized attacker to disclose information locally...

CVE-2026-20805

CVE-2026-20805 is a local information-disclosure vulnerability in Microsoft Windows Desktop Window Manager (dwm.exe). The provided documents describe that an authenticated, low-privilege user can leak sensitive information via improper handling of ALPC-related structures (ALPC ports/sections) and...

Windows File Explorer Information Disclosure Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally...

Microsoft Windows File Explorer Spoofing Vulnerability

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network...

PT-2026-2739

CVE-2026-20937 Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally. https://t.co/7wV1JGOJF9...

CVE-2023-31998

A heap overflow vulnerability found in EdgeRouters and Aircubes allows a malicious actor to interrupt UPnP service to said devices...

CVE-2023-40735

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Cavo – Connecting for a Safer World BUTTERFLY BUTTON Architecture flaw allows loss of plausible deniability and confidentiality.This issue affects BUTTERFLY BUTTON: As of 2023-08-21...

LastPass 2022 Breach Led to Years-Long Cryptocurrency Thefts, TRM Labs Finds

The encrypted vault backups stolen from the 2022 LastPass data breach have enabled bad actors to take advantage of weak master passwords to crack them open and drain cryptocurrency assets as recently as late 2025, according to new findings from TRM Labs. The blockchain intelligence firm said...

CVE-2025-10450

Exposure of Private Personal Information to an Unauthorized Actor vulnerability in RTI Connext Professional Core Libraries allows Sniffing Network Traffic.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.2.0 before 7.3.1...

PT-2025-51735

Exposure of Private Personal Information to an Unauthorized Actor vulnerability in RTI Connext Professional Core Libraries allows Sniffing Network Traffic.This issue affects Connext Professional: from 7.4.0 before 7., from 7.2.0 before 7.3.1...

CVE-2025-64670

Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information over a network...

EUVD-2025-202235

Exposure of sensitive information to an unauthorized actor in Microsoft Graphics Component allows an authorized attacker to disclose information over a network...

Changing the physics of cyber defense

The Deputy CISO blog series is whereMicrosoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...

CISA Reports PRC Hackers Using BRICKSTORM for Long-Term Access in U.S. Systems

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday released details of a backdoor named BRICKSTORM that has been put to use by state-sponsored threat actors from the People's Republic of China PRC to maintain long-term persistence on compromised systems. "BRICKSTORM is a...

Cybersecurity strategies to prioritize now​​

The Deputy CISO blog series is where Microsoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...