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Microsoft on Tuesday released fixes for a whopping 183 security flaws spanning its products, including three vulnerabilities that have come under active exploitation in the wild, as the tech giant officially ended support for its Windows 10 operating system unless the PCs are enrolled in the Extended Security Updates ( ESU ) program. Of the 183 vulnerabilities, eight of them are non-Microsoft issued CVEs. As many as 165 flaws have been rated as Important in severity, followed by 17 as Critical and one as Moderate. The vast majority of them relate to elevation of privilege vulnerabilities (84), with remote code execution (33), information disclosure (28), spoofing (14), denial-of-service (11), and security feature bypass (11) issues accounting for the rest. The updates are in addition to the 25 vulnerabilities Microsoft addressed in its Chromium-based Edge browser since the release of September 2025's Patch Tuesday update . The two Windows zero-days that have come under activ...

Microsoft on Tuesday rolled out fixes for a massive set of 111 security flaws across its software portfolio, including one flaw that has been disclosed as publicly known at the time of the release. Of the 111 vulnerabilities, 16 are rated Critical, 92 are rated Important, two are rated Moderate, and one is rated Low in severity. Forty-four of the vulnerabilities relate to privilege escalation, followed by remote code execution (35), information disclosure (18), spoofing (8), and denial-of-service (4) defects. This is in addition to 16 vulnerabilities addressed in Microsoft's Chromium-based Edge browser since the release of last month's Patch Tuesday update , including two spoofing bugs affecting Edge for Android. Included among the vulnerabilities is a privilege escalation vulnerability impacting Microsoft Exchange Server hybrid deployments ( CVE-2025-53786 , CVSS score: 8.0) that Microsoft disclosed last week. The publicly disclosed zero-day is CVE-2025-53779 (CVS...

Microsoft on Tuesday addressed a set of 80 security flaws in its software, including one vulnerability that has been disclosed as publicly known at the time of release. Of the 80 vulnerabilities, eight are rated Critical and 72 are rated Important in severity. None of the shortcomings has been exploited in the wild as a zero-day. Like last month , 38 of the disclosed flaws are related to privilege escalation, followed by remote code execution (22), information disclosure (14), and denial-of-service (3). "For the third time this year, Microsoft patched more elevation of privilege vulnerabilities than remote code execution flaws," Satnam Narang, senior staff research engineer at Tenable, said. "Nearly 50% (47.5%) of all bugs this month are privilege escalation vulnerabilities." The patches are in addition to 12 vulnerabilities addressed in Microsoft's Chromium-based Edge browser since the release of August 2025's Patch Tuesday update, including a securit...

For the first time in 2025, Microsoft's Patch Tuesday updates did not bundle fixes for exploited security vulnerabilities, but the company acknowledged one of the addressed flaws had been publicly known. The patches resolve a whopping 130 vulnerabilities , along with 10 other non-Microsoft CVEs that affect Visual Studio, AMD, and its Chromium-based Edge browser. Of these, 10 are rated Critical and the remaining are all rated Important in severity. "The 11-month streak of patching at least one zero-day that was exploited in the wild ended this month," Satnam Narang, Senior Staff Research Engineer at Tenable, said. Fifty-three of these shortcomings are classified as privilege escalation bugs followed by 42 as remote code execution, 17 as information disclosure, and 8 as security feature bypasses. These patches are in addition to two other flaws addressed by the company in the Edge browser since the release of last month's Patch Tuesday update . The vulnerability ...

Microsoft on Tuesday released security updates to address 57 security vulnerabilities in its software, including a whopping six zero-days that it said have been actively exploited in the wild. Of the 56 flaws, six are rated Critical, 50 are rated Important, and one is rated Low in severity. Twenty-three of the addressed vulnerabilities are remote code execution bugs and 22 relate to privilege escalation. The updates are in addition to 17 vulnerabilities Microsoft addressed in its Chromium-based Edge browser since the release of last month's Patch Tuesday update , one of which is a spoofing flaw specific to the browser ( CVE-2025-26643 , CVSS score: 5.4). The six vulnerabilities that have come under active exploitation are listed below - CVE-2025-24983 (CVSS score: 7.0) - A Windows Win32 Kernel Subsystem use-after-free (UAF) vulnerability that allows an authorized attacker to elevate privileges locally CVE-2025-24984 (CVSS score: 4.6) - A Windows NTFS information disclosu...

Microsoft closed out its Patch Tuesday updates for 2024 with fixes for a total of 72 security flaws spanning its software portfolio, including one that it said has been exploited in the wild. Of the 72 flaws, 17 are rated Critical, 54 are rated Important, and one is rated Moderate in severity. Thirty-one of the vulnerabilities are remote code execution flaws, and 27 of them allow for the elevation of privileges. This is in addition to 13 vulnerabilities the company has addressed in its Chromium-based Edge browser since the release of last month's security update . In total, Microsoft has resolved as many as 1,088 vulnerabilities in 2024 alone, per Fortra. The vulnerability that Microsoft has acknowledged as having been actively exploited is CVE-2024-49138 (CVSS score: 7.8), a privilege escalation flaw in the Windows Common Log File System (CLFS) Driver. "An attacker who successfully exploited this vulnerability could gain SYSTEM privileges," the company said in an...

Microsoft kicked off 2025 with a new set of patches for a total of 161 security vulnerabilities across its software portfolio, including three zero-days that have been actively exploited in attacks. Of the 161 flaws, 11 are rated Critical and 149 are rated Important in severity. One other flaw, a non-Microsoft CVE related to a Windows Secure Boot bypass ( CVE-2024-7344 , CVSS score: 6.7), has not been assigned any severity. According to the Zero Day Initiative , the update marks the largest number of CVEs addressed in a single month since at least 2017. The fixes are in addition to seven vulnerabilities the Windows maker addressed in its Chromium-based Edge browser since the release of December 2024 Patch Tuesday updates. Prominent among the patches released by Microsoft is a trio of flaws in Windows Hyper-V NT Kernel Integration VSP ( CVE-2025-21333 , CVE-2025-21334 , and CVE-2025-21335 , CVSS scores: 7.8) that the company said has come under active exploitation in the wild. ...

Even in well-secured environments, attackers are getting in—not with flashy exploits, but by quietly taking advantage of weak settings, outdated encryption, and trusted tools left unprotected. These attacks don't depend on zero-days. They work by staying unnoticed—slipping through the cracks in what we monitor and what we assume is safe. What once looked suspicious now blends in, thanks to modular techniques and automation that copy normal behavior. The real concern? Control isn't just being challenged—it's being quietly taken. This week's updates highlight how default settings, blurred trust boundaries, and exposed infrastructure are turning everyday systems into entry points. ⚡ Threat of the Week Critical SharePoint Zero-Day Actively Exploited (Patch Released Today) — Microsoft has released fixes to address two security flaws in SharePoint Server that have come under active exploitation in the wild to breach dozens of organizations across the world. Details of exploitation emer...

Some of the biggest security problems start quietly. No alerts. No warnings. Just small actions that seem normal but aren't. Attackers now know how to stay hidden by blending in, and that makes it hard to tell when something's wrong. This week's stories aren't just about what was attacked—but how easily it happened. If we're only looking for the obvious signs, what are we missing right in front of us? Here's a look at the tactics and mistakes that show how much can go unnoticed. ⚡ Threat of the Week Apple Zero-Click Flaw in Messages Exploited to Deliver Paragon Spyware — Apple disclosed that a security flaw in its Messages app was actively exploited in the wild to target civil society members in sophisticated cyber attacks. The vulnerability, CVE-2025-43200, was addressed by the company in February as part of iOS 18.3.1, iPadOS 18.3.1, iPadOS 17.7.5, macOS Sequoia 15.3.1, macOS Sonoma 14.7.4, macOS Ventura 13.7.4, watchOS 11.3.1, and visionOS 2.3.1. The Citizen Lab said it u...

Microsoft has released patches to fix 67 security flaws , including one zero-day bug in Web Distributed Authoring and Versioning (WebDAV) that it said has come under active exploitation in the wild. Of the 67 vulnerabilities, 11 are rated Critical and 56 are rated Important in severity. This includes 26 remote code execution flaws, 17 information disclosure flaws, and 14 privilege escalation flaws. The patches are in addition to 13 shortcomings addressed by the company in its Chromium-based Edge browser since the release of last month's Patch Tuesday update . The vulnerability that has been weaponized in real-world attacks concerns a remote code execution in WebDAV ( CVE-2025-33053 , CVSS score: 8.8) that can be triggered by deceiving users into clicking on a specially crafted URL. The tech giant credited Check Point researchers Alexandra Gofman and David Driker for discovering and reporting the bug. It's worth mentioning that CVE-2025-33053 is the first zero-day vulnerab...

The North Korean threat actor linked to the Contagious Interview campaign has been observed merging some of the functionality of two of its malware programs, indicating that the hacking group is actively refining its toolset. That's according to new findings from Cisco Talos, which said recent campaigns undertaken by the hacking group have seen the functions of BeaverTail and OtterCookie coming closer to each other more than ever, even as the latter has been fitted with a new module for keylogging and taking screenshots.  The activity is attributed to a threat cluster that's tracked by the cybersecurity community under the monikers CL-STA-0240, DeceptiveDevelopment, DEV#POPPER, Famous Chollima, Gwisin Gang, PurpleBravo, Tenacious Pungsan, UNC5342, Void Dokkaebi, and WaterPlum. The development comes as Google Threat Intelligence Group (GTIG) and Mandiant revealed the threat actor's use of a stealthy technique known as EtherHiding to fetch next-stage payloads from the...