CVE-2026-85880KEVEXPLOITEDPATCHED

microsoft · windows 10 version

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Description

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

Affected Products

Vendor	Product	Versions
microsoft	windows 10 version	10.0.14393.0, 10.0.17763.0, 10.0.19044.0, 10.0.19045.0, 6.2.9200.0, 6.2.9200.0, 6.3.9600.0, 6.3.9600.0, 10.0.14393.0, 10.0.14393.0, 10.0.17763.0, 10.0.17763.0, 10.0.20348.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85880(vendor-advisory, patch)

Related News (4 articles)

Tier D

SecurityWeek2h ago

Microsoft Patches Record 974 Vulnerabilities, Including Two Exploited Zero-Days

→ No new info (linked only)

Tier C

Qualys Blog2h ago

Microsoft and Adobe Patch Tuesday, September 2026 Security Update Review

→ No new info (linked only)

Tier B

CCCS Canada2h ago

Microsoft security advisory – September 2026 monthly rollup (AV26-896) – Update 1

→ No new info (linked only)

Tier A

Microsoft MSRC7h ago

CVE-2026-85880 Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

→ No new info (linked only)

Discussion (0)

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CVSS 3.17.8 HIGH

VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CISA KEV✅ Yes

Actively exploited✅ Yes

Patch available

10.0.14393.951210.0.17763.924510.0.19044.772510.0.19045.77256.2.9200.263496.3.9600.2339710.0.20348.5622

CWECWE-122, CWE-908

PublishedSep 8, 2026

Last enriched4h ago

Trending Score138🔥

Source articles5

Independent5

Info Completeness3/14

Missing: vendor, product, versions, cvss, epss, cwe, kev, exploit, patch, iocs, mitre_attack

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Verification

State: verified

Confidence: 0%

Vulnerability Timeline

CVE Published

Sep 8, 2026

Added to CISA KEV

Sep 8, 2026

Discovered by ZDM

Sep 8, 2026

Actively Exploited

Sep 8, 2026

Patch Available

Sep 8, 2026