CVE-2019-0859Active Exploitation(microsoft / windows_10_1507)

MEDIUMCVSS 7.8 · HIGHCISA KEV

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

  • Prioritize remediation for microsoft windows_10_1507 systems immediately
  • Assume compromise if assets are exposed
  • Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0803.

4.0/ 10 priority

Sources & remediation

Listed in the CISA Known Exploited Vulnerabilities catalog. Federal remediation due date: 2022-05-03. Apply updates per vendor instructions.

Priority

MEDIUM

Exploitation

ACTIVE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • windows_10_1507
  • windows_10_1607
  • windows_10_1703
  • windows_10_1709

Threat summary

  • Active exploitation appears in 1 classified signals
  • 1 mentions across 1 observed day

What's happening

  • Active exploitation reported across 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
windows_10_1507windows_10_1607windows_10_1703windows_10_1709windows_10_1803windows_10_1809windows_7windows_8.1windows_rt_8.1windows_server_1709

2 versions affected across 15 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-09: 1Active Exploitation · 2026-09-09: 109-09
Signal classification1 categories
Active Exploitation
1100.0%
Full discourse1 post
  • kokumօtօ@__kokumoto
    Active Exploitation

    米国サイバーセキュリティ・社会基盤安全保障庁(CISA)の既知の悪用された脆弱性カタログが更新。以下の脆弱性についてランサムウェアによる悪用が確認された。 - CVE-2022-41352 (Zimbra Collaboration Suite (ZCS)) - CVE-2016-7255 (Windows) - CVE-2019-0859 (Windows) https://t.co/VS1Zw6lLLO

    Post summary

    CISA updated its catalog to confirm that the listed CVEs have been actively exploited in ransomware attacks, though no patches or detailed technical or PoC information was provided.

    00022775
    7.8K followersView on X
CPE platform detail27 entries

27 of 27 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1507--x64
OSmicrosoftwindows_10_1507--x86
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1703--x64
OSmicrosoftwindows_10_1703--x86
OSmicrosoftwindows_10_1709--arm64
OSmicrosoftwindows_10_1709--x64
OSmicrosoftwindows_10_1709--x86
OSmicrosoftwindows_10_1803--arm64
OSmicrosoftwindows_10_1803--x64
OSmicrosoftwindows_10_1803--x86
OSmicrosoftwindows_10_1809--arm64
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--x86
OSmicrosoftwindows_7---
OSmicrosoftwindows_8.1---
OSmicrosoftwindows_rt_8.1---
OSmicrosoftwindows_server_1709---
OSmicrosoftwindows_server_1803---
OSmicrosoftwindows_server_2008---
OSmicrosoftwindows_server_2008r2-itanium
OSmicrosoftwindows_server_2008r2-x64
OSmicrosoftwindows_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---

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