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TI-2026-72586 Aliases CVE-2026-83844GHSA-2h2h-j632-qrgj

Out-of-bounds read in Microsoft Paint lets attackers execute code

Priority LOW 34CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Microsoft Paint from 11.0.0.0 before 11.2609.401.0 contains an out-of-bounds read (CWE-125) that lets data be read outside the intended memory range. An unauthorized attacker can execute code locally, but the attack requires high complexity and user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-11-08

Description from the CNA

Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00734 54th percentileScored 2026-11-07
Fix Fixed Microsoft Paint (Microsoft): 11.2609.401.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Paint11.0.0.0 to before 11.2609.401.011.2609.401.0Patch availableCNA
  • Microsoft Paint VendorMicrosoft Affected 11.0.0.0 to before 11.2609.401.0 Fixed in 11.2609.401.0 Patch available CNA

Remediation

Update Microsoft Paint to version 11.2609.401.0, the fixed build named in the Microsoft Security Update for this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-08

  • Fix · CNA Microsoft Paint (Microsoft) Fixed in 11.2609.401.0

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft PaintFixed 11.2609.401.0 · Security Update

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-83844
  2. 2026-10-13 Alias added: GHSA-2h2h-j632-qrgj
  3. 2026-10-18 EPSS moved to the 50th–90th percentile
  4. 2026-11-06 Fix available: Microsoft/Microsoft [email protected] · CNA
  5. 2026-11-07 CVSS score changed · CNA

References

Patch 1

  • TI-2026-42212 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-37256 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-16982 Microsoft SharePoint Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-33671 Microsoft SharePoint Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
See all 18045 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences