CVE-2026-68820

North Korean hackers have been exploiting a Windows zero-day vulnerability (CVE-2026-68820) to target defense-sector companies as part of the Operation Dream Job campaign. [...]

ch reported the vulnerability to Microsoft on July 28 and published its analysis on August 11, the day a patch shipped. CVE-2026-68820 is a use-after-free race condition in AFD.sys, the driver handling network sockets in the Windows kernel, and was the only flaw in this the August Patch Tuesday release Microsoft flagged as under active exploitation. Th

y downloader that profiles the compromised system and retrieves additional components. One of those components exploits CVE-2026-68820, a local privilege escalation vulnerability in the Windows AFD.sys driver. Successful exploitation gives the attackers SYSTEM privileges and lets them deploy FudModule, a Lazarus kernel-mode rootkit built to interfere w

h Tuesday delivered security fixes for 400+ vulnerabilities, including one that has been exploited in zero-day attacks (CVE-2026-68820) and three that were publicly disclosed prior to the release of the patches. Vulnerabilities of note CVE-2026-68820 is a use-after-free flaw that affects the Windows Ancillary Function Driver for WinSock (AFD.sys) and a

ForestTiger , a known Lazarus backdoor. Advertisement. Scroll to continue reading. The afd.sys zero-day, now tracked as CVE-2026-68820, is a use-after-free issue that allows attackers to trigger a race condition and gain System privileges. On August 11, Microsoft fixed the vulnerability as part of its Patch Tuesday updates , and the US cybersecurity ag

hallenge to process for organizations without automated, risk-based patching programs. The actively exploited zero day (CVE-2026-68820) is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock. A locally authenticated attacker with low privileges could run a specially crafted application and trigger a race condition to gai

affected by August 2026 Patch Tuesday Exploited Zero-Day Vulnerability in Windows Ancillary Function Driver for WinSock CVE-2026-68820 is an Important elevation of privilege vulnerability affecting the Windows Ancillary Function Driver for WinSock and has a CVSS score of 7.0 . A use-after-free flaw (CWE-416) allows a low-privileged local attacker to el

Microsoft Patch Tuesday for August 2026 fixes 398 CVEs, including an actively exploited zero-day and a wormable DNS flaw enabling remote code execution. Microsoft released its Patch Tuesday security updates for August 2026 on Tuesday, covering 398 new CVEs across Windows, Office, Azure, Exchange Server, SharePoint, Teams, GitHub Copilot, .NET, and a range of other […]

ued today in Microsoft’s August Patch Tuesday releases. The hole is in Windows’ Ancillary Function Driver for WinSock ( CVE-2026-68820 ), which, according to Todd Schell , principal product manager at Ivanti, has been a recurring target for local privilege-escalation bugs throughout 2026. Past vulnerabilities in this component have let an authorized at

arked as "critical." Microsoft notes that 1 of the vulnerabilities disclosed this month have been exploited in the wild CVE-2026-68820 is an elevation of privilege vulnerability affecting Windows Ancillary Function Driver for WinSock. A Use After Free vulnerability could allow an authorized attacker to elevate privileges locally. This vulnerability has

ation denial-of-service, and arbitrary code execution. Zero-day Vulnerabilities Patched in August Patch Tuesday Edition CVE-2026-72971: Windows Container Isolation FS Filter Driver (unionfs.sys) Tampering Vulnerability This is a link-following flaw that may allow an authenticated attacker to perform local tampering. CVE-2026-62832: Windows User Profile

(and possibly other miscreants) found and attacked one of these flaws as a zero-day in early June. The bug, tracked as CVE-2026-68820, is a use-after-free in the Windows Ancillary Function Driver for WinSock. “A locally authenticated attacker could run a specially crafted application on an affected system to trigger a race condition,” Redmond warned,

Microsoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly detailed prior to today.

ktop browser security patches so far this month. SharePoint: critical RCE chain by Rapid7 Today sees the publication of CVE-2026-63520 , a high-severity remote code execution in Microsoft SharePoint. Discovered by Rapid7 Senior Principal Security Researcher Stephen Fewer , and published today in coordination with Microsoft; this vulnerability is the se

h code already running on a machine can use it to escalate to SYSTEM. That patch goes out first. The flaw is tracked as CVE-2026-68820 (CVSS score: 7.0) and is the only

cluding a high-severity vulnerability that has been exploited in the wild as a zero-day. The exploited flaw, tracked as CVE-2026-68820, is described as a use-after-free issue in Ancillary Function Driver for WinSock (afd.sys), the kernel-mode driver functioning as the backbone for the Windows Sockets API. Microsoft says threat actors have been exploiti

of the vulnerabilities patched this month, followed by remote code execution (RCE) vulnerabilities at 27.1%. Important CVE-2026-68820 | Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability CVE-2026-68820 is an EoP vulnerability affecting Windows Ancillary Function Driver for WinSock. It received a CVSSv3 score of 7.0 and

g actively exploited, at least as 0-days. Again, we’ll start with the bug under active attack and move on from there. - CVE-2026-68820 - Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability This bug allows attackers to execute code at SYSTEM level. Bugs of this type are often paired with code execution bugs to take over a

YSTEM** privileges and disable EDR visibility. Following responsible disclosure, Microsoft assigned the vulnerability **CVE-2026-68820** and released a patch on August 11, 2026, as part of their August Patch Tuesday updates. The attackers’ command-and-control infrastructure consists of compromised **Roundcube** and **WordPress** servers hosting **Relay

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Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

ee new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) Heap Inspection Vulnerability CVE-2026-68820 Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability