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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2026-56181

Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.

CVSS 8.3 · HighBuzz score 35.5

Buzz score

Why this CVE is surfacing

Buzz score total 35.5

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 19.5 · diversity 16.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
19.5
6 evidence mentions in the snapshot
Diversity score
16.0
6 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
2
within the 30d window
Peak daily
1
highest bucket

Evidence

Source links by recency

Newest mentions first
6 source links · newest first
  • ⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply-Chain Attacks, and Router BackdoorsThe Hacker News

    sed, or already being poked at in the wild. Check the list, patch what you have, and hit the ones marked urgent first — CVE-2026-34348 , CVE-2026-18497 (stb TrueType), CVE-2026-63508, CVE-2026-56162, CVE-2026-65667, CVE-2026-50515, CVE-2026-62830, CVE-2026-59115, CVE-2026-50481 (Microsoft Windows), CVE-2026-64638 (WordPress), CVE-2026-64564 (Linux SCTP

    newsthehackernews.comAug 10, 2026, 3:00 PM
  • NatJack exploits put NAT security assumptions to the test at Black HatCSO Online

    scouraging.” The kernel was eventually patched at Microsoft’s request to support Azure Kubernetes Service, resulting in CVE-2026-63913. Microsoft’s own Windows NAT vulnerability, affecting Hyper-V, was assigned CVE-2026-56181. Other vendors declined to classify the findings as vulnerabilities. “These reports are design-level NAT limitations rather than

    newswww.csoonline.comAug 6, 2026, 6:55 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 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-2026-56181 Windows Network Address Translation (NAT) Spoofing VulnerabilityMicrosoft MSRC

    Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.

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

Exploit code

Public exploit repository references

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0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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