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CVE detail

CVE-2026-62815

Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

CVSS 9.8 · CriticalBuzz score 41.0

Buzz score

Why this CVE is surfacing

Buzz score total 41.0

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 22.0 · diversity 19.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
22.0
8 evidence mentions in the snapshot
Diversity score
19.0
8 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
8
within the 30d window
Peak daily
6
highest bucket

Evidence

Source links by recency

Newest mentions first
8 source links · newest first
  • August 2026 Patch Tuesday: One Exploited Zero-Day and 62 Critical Vulnerabilities Among 415 CVEsCrowdStrike

    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

    vendorwww.crowdstrike.comAug 12, 2026, 8:00 AM
  • Microsoft Patch Tuesday for August 2026 Fixed a Zero-Day and Wormable RCESecurity Affairs

    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 […]

    newssecurityaffairs.comAug 12, 2026, 6:49 AM
  • Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilitiesCisco Talos

    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

    vendorblog.talosintelligence.comAug 11, 2026, 10:21 PM
  • Microsoft and Adobe Patch Tuesday, August 2026 Security Update ReviewQualys

    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

    vendorblog.qualys.comAug 11, 2026, 9:55 PM
  • Patch Tuesday - August 2026Rapid7

    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

    vendorwww.rapid7.comAug 11, 2026, 9:10 PM
  • August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-DaySecurityWeek

    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

    newswww.securityweek.comAug 11, 2026, 6:46 PM
  • The August 2026 Security Update ReviewZero Day Initiative

    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

    vendorwww.thezdi.comAug 11, 2026, 5:56 PM
  • CVE-2026-62815 Microsoft QUIC Remote Code Execution VulnerabilityMicrosoft MSRC

    Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

    vendormsrc.microsoft.comAug 11, 2026, 2:00 PM

Exploit code

Public exploit repository references

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0 repository references · best confidence N/A · max 0 stars
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Related records

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