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CVE detail

CVE-2026-50680

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVSS 8.2 · HighBuzz score 38.3

Buzz score

Why this CVE is surfacing

Buzz score total 38.3

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 20.8 · diversity 17.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
20.8
7 evidence mentions in the snapshot
Diversity score
17.5
7 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
7
within the 30d window
Peak daily
6
highest bucket

Evidence

Source links by recency

Newest mentions first
7 source links · newest first
  • July 2026 Patch Tuesday: Microsoft Patches 622 Vulnerabilities Including Two Exploited Zero-DaysCrowdStrike

    t families affected by July 2026 Patch Tuesday Exploited Zero-Day Vulnerability in Active Directory Federation Services CVE-2026-56155 is an Important elevation of privilege vulnerability affecting Active Directory Federation Services (AD FS) and has a CVSS score of 7.8 . An insufficient granularity of access control flaw (CWE-1220) allows a low-privil

    vendorwww.crowdstrike.comJul 17, 2026, 8:00 PM
  • Patch Tuesday - July 2026Rapid7

    ation of remediations as a trailing indicator. SharePoint: critical auth bypass by Rapid7 Today sees the publication of CVE-2026-55040 , a critical authentication bypass in Microsoft SharePoint. Discovered by Rapid7 Senior Principal Security Researcher Stephen Fewer , and published today in coordination with Microsoft, this vulnerability is the first i

    vendorwww.rapid7.comJul 14, 2026, 10:00 PM
  • Microsoft and Adobe Patch Tuesday, July 2026 Security Update ReviewQualys

    ication denial-of-service, and arbitrary code execution. Zero-day Vulnerabilities Patched in July Patch Tuesday Edition CVE-2026-56155: Active Directory Federation Services Elevation of Privilege Vulnerability Insufficient granularity of access control in Active Directory Federation Services (AD FS) could allow an authenticated attacker to elevate priv

    vendorblog.qualys.comJul 14, 2026, 9:23 PM
  • Microsoft Patch Tuesday for July 2026 — Snort rules and prominent vulnerabilitiesCisco Talos

    ed as "critical." Microsoft notes that two of the vulnerabilities disclosed this month have been exploited in the wild. CVE-2026-56155 is an important-severity elevation of privilege vulnerability in Active Directory Federation Services (AD FS) caused by insufficient granularity of access control. An authorized attacker could use it to elevate privileg

    vendorblog.talosintelligence.comJul 14, 2026, 8:27 PM
  • Microsoft July 2026 Patch Tuesday fixes massive 570 flaws, 3 zero-daysBleepingComputer

    ile no official fix is available. The two actively exploited zero-days addressed during this month's Patch Tuesday are: CVE-2026-56155 - Active Directory Federation Services Elevation of Privilege Vulnerability Microsoft has patched an actively exploited vulnerability in Active Directory Federation Services that grants administrative privileges. "Insuf

    newswww.bleepingcomputer.comJul 14, 2026, 6:01 PM
  • The July 2026 Security Update ReviewZero Day Initiative

    oser look at some of the more interesting updates for this month, starting with the bugs being exploited in the wild. - CVE-2026-56155 - Active Directory Federation Services Elevation of Privilege Vulnerability This is one of several AD FS being patched this month, but it’s the only one being actively exploited. It stems from insufficient access-contro

    vendorwww.thezdi.comJul 14, 2026, 5:56 PM
  • CVE-2026-50680 Windows Hyper-V Elevation of Privilege VulnerabilityMicrosoft MSRC

    Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

    vendormsrc.microsoft.comJul 14, 2026, 2:00 PM

Exploit code

Public exploit repository references

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