Search/CVE-2026-85880
● CVE — High

CVE-2026-85880

VendormicrosoftProductwindows server 2012, windows 10 1607, windows 10 1809, windows 10 21h2, windows 10 22h2, windows server 2016, windows server 2019, windows server 2022DiscoveredSep 8, 2026UpdatedSep 24, 2026

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

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CVSS v3.1
7.8 HIGH
EPSS
0.39%
probability of exploitation in 30 days
CISA KEV
Listed
confirmed active exploitation
News coverage
8
sources referencing this CVE
Related IOCs
4
seen in the same coverage
Intelligence Reports7
7 intelligence reports available

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EPSS Trend
Sep 10, 2026 → Oct 26, 2026
▼ 0.18pp
0.57% → 0.39% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
21 relationships
Timeline
disclosure → media coverage
Sep 8, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 24, 2026
Sep 8, 2026
krebsonsecurity.com reports: Microsoft Plugs Nearly 1,000 Security Holes
Sep 9, 2026
theregister.com reports: Microsoft breaks Patch Tuesday record with 974-CVE deluge
Sep 9, 2026
advisories.ncsc.nl reports: NCSC-2026-0353 [1.01] [M/H] Kwetsbaarheden verholpen in Microsoft Windows
Sep 9, 2026
malwarebytes.com reports: Microsoft fixes record 964 flaws, including 2 exploited zero-days
Sep 9, 2026
theregister.com reports: Novel Blue Moon kit targeting Chrome and Windows reflects new reality of AI-driven exploits
Sep 14, 2026
research.checkpoint.com reports: 14th September – Threat Intelligence Report
Sep 22, 2026
redhotcyber.com reports: BlueMoon, Chrome è sotto attacco: un solo exploit buca browser e Windows
Sep 23, 2026
thehackernews.com reports: Chinese Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy CLEANGULP Malware