High severity7.8CISA KEVNVD Advisory· Published Sep 8, 2026· Updated Sep 24, 2026
CVE-2026-85880
CVE-2026-85880
Description
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*+ 7 more
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*range: <10.0.14393.9512
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*range: <10.0.14393.9512
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*range: <10.0.19044.7725
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*range: <10.0.19044.7725
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*range: <10.0.19044.7725
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*range: <10.0.19045.7725
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*range: <10.0.19045.7725
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*range: <10.0.19045.7725
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: <10.0.17763.9245
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: <10.0.17763.9245
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*Range: <10.0.14393.9512
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*Range: <10.0.17763.9245
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*Range: <10.0.20348.5622
Patches
Vulnerability mechanics
References
2- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85880nvdPatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
38- Mind the (Patch) Gap , Part 3: Analysis with Volexity Volcano, Threat Intel, and MCPVolexity · Oct 16, 2026
- October 2026 Patch Tuesday forecast: Time for an Office cleanupHelp Net Security · Oct 9, 2026
- Chinese Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy CLEANGULP MalwareThe Hacker News · Sep 23, 2026
- Volexity spots another China-aligned threat group exploiting Chrome and Microsoft defectsCyberScoop · Sep 22, 2026
- Hackers Clone Legitimate Websites to Silently Trigger Chrome and Windows Zero-Day ExploitsCyber Security News · Sep 22, 2026
- Mind the (Patch) Gap, Part 2: Fake Websites Used to Deploy Chrome & Windows 0-Day ExploitsVolexity · Sep 21, 2026
- China-Linked Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy GRIMWEDGEThe Hacker News · Sep 15, 2026
- ⚡ Weekly Recap: Rogue AI Agents, WeChat Worm, PaperCut Attacks, AI Espionage, and RootkitsThe Hacker News · Sep 14, 2026
- 14th September – Threat Intelligence ReportCheck Point Research · Sep 14, 2026
- Weekly Cybersecurity Newsletter Bulletin – Microsoft 0-day, FortiOS, PAN-OS Flaw, Revolut Data Breach, and 20+ StoriesCyber Security News · Sep 14, 2026
- BlueMoon Exploit Kit Chains Recent Chrome, Windows Zero-DaysSecurityWeek · Sep 12, 2026
- Windows 11 Security Update KB5124008 Breaks Always-On VPN ConnectionsCyber Security News · Sep 11, 2026
- Remote Desktop Services Failures on Windows Servers Following September UpdateCyber Security News · Sep 11, 2026
- Breach Roundup: ShinyHunters Claims Florida DMV HackGovInfoSecurity · Sep 10, 2026
- Novel Blue Moon kit targeting Chrome and Windows reflects new reality of AI-driven exploitsThe Register Security · Sep 9, 2026
- Chinese espionage groups swarm to exploit triple-link chain of zero-daysCyberScoop · Sep 9, 2026
- Mind the (Patch) Gap: Multiple Chinese Threat Actors Chain 0-day Exploits in Chrome & WindowsVolexity · Sep 9, 2026
- Hackers Chain Chrome and Windows Zero-Days in New BlueMoon Exploit Kit AttacksCyber Security News · Sep 9, 2026
- Four Spy Groups Used the Same Chrome and Windows Exploit Kit Within a WeekThe Hacker News · Sep 9, 2026
- Microsoft fixes record 964 flaws, including 2 exploited zero-daysMalwarebytes Labs · Sep 9, 2026
- Microsoft Shatters Patch Tuesday Record With 974 CVE Fixes in September 2026Infosecurity Magazine · Sep 9, 2026
- September 2026 Patch Tuesday: Record patch count, 2 zero-days, and a SigRed successorHelp Net Security · Sep 9, 2026
- Microsoft Patches Record 974 Flaws, Including Two Exploited Windows Zero-DaysThe Hacker News · Sep 9, 2026
- Microsoft breaks Patch Tuesday record with 974-CVE delugeThe Register Security · Sep 9, 2026
- Microsoft discloses two actively exploited zero-days among 974 vulnerabilitiesCyberScoop · Sep 8, 2026
- Microsoft posts nearly 1,000 bugs for Patch Tuesday as CISA warns two being exploitedThe Record · Sep 8, 2026
- Microsoft Patch Tuesday for September 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · Sep 8, 2026
- Microsoft Plugs Nearly 1,000 Security HolesKrebs on Security · Sep 8, 2026
- Patch Tuesday - September 2026Rapid7 Blog · Sep 8, 2026
- Patch Tuesday Sets Another Record With 974 CVEsDark Reading · Sep 8, 2026
- September 2026 Microsoft Patch Tuesday, (Tue, Sep 8th)SANS Internet Storm Center · Sep 8, 2026
- Microsoft Patches Record 974 Vulnerabilities, Including Two Exploited Zero-DaysSecurityWeek · Sep 8, 2026
- Microsoft Windows: 25 Vulnerabilities Disclosed, Including Critical Flaw and Exploited Zero-DayVypr Intelligence · Sep 8, 2026
- Microsoft’s September 2026 Patch Tuesday addresses 964 CVEs (CVE-2026-81963, CVE-2026-85880)Tenable Blog · Sep 8, 2026
- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026
- Microsoft: 2 Actively-Exploited Flaws Added to CISA KEVVypr Intelligence · Sep 8, 2026
- CISA Adds Four Known Exploited Vulnerabilities to CatalogCISA Alerts
- September 2026 Patch Tuesday: Two Exploited Zero-Days and 113 Critical Vulnerabilities Among 972 CVEsCrowdStrike Blog