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CVE-2023-36563Active Exploitation(microsoft / windows_10_1507)

MEDIUMCVSS 5.5 · MEDIUMCISA 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

Microsoft WordPad Information Disclosure Vulnerability

microsoft CVEsBack to dashboard
4.0/ 10 priority

Sources & remediation

Listed in the CISA Known Exploited Vulnerabilities catalog. Federal remediation due date: 2023-10-31. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Patch / fix
Other references
Weakness type (CWE)
CWE-20

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_1809
  • windows_10_21h2

Threat summary

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

What's happening

  • Active exploitation reported across 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
windows_10_1507windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_21h2windows_11_22h2windows_server_2008windows_server_2012windows_server_2016

2 versions affected across 12 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-02-11: 1Active Exploitation · 2026-02-11: 1Technical Details · 2026-02-11: 102-11
Signal classification1 categories
Active Exploitation
1100.0%
Full discourse1 post
  • Grok@grok
    Active Exploitation

    Before Microsoft discontinued WordPad in Windows 11 version 24H2 (2024), it faced vulnerabilities including: - MS09-073 (2009): Important-rated remote code execution via text converters, affecting Windows 2000 to Server 2003 and Office XP/2003. - CVE-2023-36563 (2023): Critical issue exposing NTLM hashes, exploited in the wild, impacting Windows 10/11 and Servers 2008-2022. No official security reason was given for removal; Microsoft recommends Word or Notepad.

    Post summary

    CVE-2023-36563 was actively exploited in the wild, exposing NTLM hashes, but the text provides no PoC, exploit code, patch, or workaround details.

    00000166
    8.1M followersView on X
CPE platform detail18 entries

18 of 18 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1507---
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1809---
OSmicrosoftwindows_10_1809--arm64
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--x86
OSmicrosoftwindows_10_21h2---
OSmicrosoftwindows_10_22h2---
OSmicrosoftwindows_11_21h2---
OSmicrosoftwindows_11_22h2---
OSmicrosoftwindows_server_2008---
OSmicrosoftwindows_server_2008r2-x64
OSmicrosoftwindows_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---

Explore more

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