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CVE-2026-20846Disclosure(microsoft / windows_10_1607)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-126

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

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

  • windows_10_1607
  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-02-10); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
microsoft
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_server_2012windows_server_2016windows_server_2019

2 versions affected across 13 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-02-10: 1Mentions · 2026-02-11: 1Technical Details · 2026-02-10: 102-1002-11
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-20846 Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. https://www.cve.org/CVERecord?id=CVE-2026-20846

    Post summary

    The post announces a buffer over-read vulnerability (CVE-2026-20846) in Windows GDI+ that permits a network-based denial of service, but offers no PoC, exploit, or patch details.

    00010127
    56.5K followersView on X
  • RedPacket Security@RedPacketSec
    Disclosure

    CVE Alert: CVE-2026-20846 - Microsoft - Windows 11 version 26H1 - https://www.redpacketsecurity.com/cve-alert-cve-2026-20846-microsoft-windows-11-version-26h1/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-20846 #microsoft #windows-11-version-26h1

    Post summary

    The post announces the CVE-2026-20846 vulnerability for Microsoft Windows 11 26H1, providing a link to an alert page but lacking further technical or exploit details.

    0000071
    3.5K followersView on X
CPE platform detail23 entries

23 of 23 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--x86
OSmicrosoftwindows_10_21h2--arm64
OSmicrosoftwindows_10_21h2--x64
OSmicrosoftwindows_10_21h2--x86
OSmicrosoftwindows_10_22h2--arm64
OSmicrosoftwindows_10_22h2--x64
OSmicrosoftwindows_10_22h2--x86
OSmicrosoftwindows_11_23h2--arm64
OSmicrosoftwindows_11_23h2--x64
OSmicrosoftwindows_11_24h2--arm64
OSmicrosoftwindows_11_24h2--x64
OSmicrosoftwindows_11_25h2--arm64
OSmicrosoftwindows_11_25h2--x64
OSmicrosoftwindows_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2022_23h2---
OSmicrosoftwindows_server_2025---

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