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

CVE detail

CVE-2026-40369

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

CVSS 7.8 · HighBuzz score 36.0

Buzz score

Why this CVE is surfacing

Buzz score total 36.0

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 19.5 · diversity 16.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
19.5
6 evidence mentions in the snapshot
Diversity score
16.5
4 sources across 3 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
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
6 source links · newest first
  • Show HN: CVE-2026-40369 Windows Kernel Arbitrary Write Chrome SBXHacker News

    Linked URL: https://pwn2nimron.com/blog | Posted by orinimron123 | 3 points | 0 comments

    communitynews.ycombinator.comMay 28, 2026, 9:13 PM
  • Security Affairs newsletter Round 578 by Pierluigi Paganini – INTERNATIONAL EDITIONSecurity Affairs

    A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. CVE-2026-9082: Drupal’s Highly Critical SQL Injection Flaw Is Already Under Active Attack Why pure extortion is […]

    newssecurityaffairs.comMay 24, 2026, 11:51 AM
  • CVE-2026-40369: Twelve Bytes to Escape the Browser SandboxHacker News

    Linked URL: https://voidsec.com/cve-2026-40369-browser-sandbox-escape/ | Posted by voidsec | 5 points | 0 comments

    communitynews.ycombinator.comMay 21, 2026, 3:58 PM
  • CVE-2026-40369 – Windows Kernel Elevation of Privilege VulnerabilityHacker News

    Linked URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40369 | Posted by l2dy | 9 points | 1 comments

    communitynews.ycombinator.comMay 16, 2026, 3:25 AM
  • The May 2026 Security Update ReviewZero Day Initiative

    take a closer look at some of the more interesting updates for this month, starting with a nasty-looking bug in DNS: - CVE-2026-41096 - Windows DNS Client Remote Code Execution Vulnerability This patch fixes a heap-based buffer overflow in the DNS Client triggered by a malicious DNS response. No authentication or user interaction needed, and since the

    vendorwww.thezdi.comMay 12, 2026, 6:38 PM
  • CVE-2026-40369 Windows Kernel Elevation of Privilege VulnerabilityMicrosoft MSRC

    Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

    vendormsrc.microsoft.comMay 12, 2026, 2:00 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

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

Related records

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