CVE•Published 2026-05-20•Modified 2026-07-23•2 articles on news•4 live references•NVD data

CVE-2026-45498Microsoft · Defender_antimalware_platform

Vulnerability data via NVD (ingested)

CVSS v3.1

4.0

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS percentile

Exploit Prediction Scoring System · top 1% of all CVEs

Weaknesses (CWE)

CWE-400Uncontrolled Resource Consumption

Description

Microsoft Defender Denial of Service Vulnerability

Timeline

Published 2026-05-20

Modified 2026-07-23

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-45498

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Microsoft Defender Antimalware Platform"

All exposed Microsoft Defender Antimalware Platform instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Defender Antimalware Platform"

HTTP body or banner mentions "Defender Antimalware Platform" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-45498

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-45498

Censys host search filtered to this CVE id.

grep.app

CVE-2026-45498

Public source-code mentions — fast PoC discovery.

GitHub code

CVE-2026-45498

GitHub code search for direct mentions.

Google dork

"CVE-2026-45498" exploit -site:nvd.nist.gov

Write-ups and news, NVD excluded.

Known PoCs on GitHub (4)

CVE-2026-454984 repos

Ostorlab/KEVunknown

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

★ 619·updated 4d ago

elbelicojackson-hue/haking-code-TypeScript

★ 71·updated 4mo ago

DarkFunct/TK-CVE-RepoPython

TK-CVE-Repo

★ 51·updated 4mo ago

ridhinva/cisa-kev-exploit-scannersPython

Actively exploited CVE scanners from CISA KEV + Twitter trends - Drupal SQLi, PAN-OS RCE, Android ADBD, GHE RCE, BeyondTrust, Defender, and more

★ 2·updated 1mo ago