VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 9.8 criticalEPSS 0.9% probability of exploitation in 30 days
Microsoft
CVE-2026-85806: Network Policy Server (NPS) Remote Code Execution Vulnerability
Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
How likely is exploitation in the next 30 days?
0.9%
EPSS score, percentile 59.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.
How severe?
9.8Critical
CVSS v3.1 base score, given by the CNA
What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
Integer underflow (wrap or wraparound) in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.
Summary: CVE record, as of .
CISA has not added CVE-2026-85806 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
The CVE record was published on 13 Oct 2026.
The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), given by its CNA.
FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.9% (percentile 59.8), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
CISA's SSVC assessment in the CVE record: exploitation none, automatable yes, technical impact total.
Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.
Description
Network Policy Server (NPS) Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.