VulnSocial

CVE-2026-21235Disclosure(microsoft / windows_10_1607)

LOWCVSS 7.3 · 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

Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-416

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

  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • Peaked 2d ago at 1 mentions (2026-02-10); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
microsoft
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_server_2012windows_server_2016windows_server_2019windows_server_2022

2 versions affected across 9 products

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-02-10: 1Mentions · 2026-02-11: 1Mentions · 2026-02-17: 1Technical Details · 2026-02-10: 1Technical Details · 2026-02-17: 102-1002-1102-17
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-02-101
Disclosure1
2026-02-111
General1
2026-02-171
Disclosure1
Full discourse3 posts
  • TheZDIBugs@TheZDIBugs
    Disclosure

    [ZDI-26-081|CVE-2026-21235] Microsoft Windows win32kfull Use-After-Free Local Privilege Escalation Vulnerability (CVSS 8.8; Credit: Marcin Wiazowski) https://www.zerodayinitiative.com/advisories/ZDI-26-081/

    Post summary

    A Zeroday Initiative advisory discloses a Microsoft Windows win32kfull use‑after‑free LPE vulnerability (CVSS 8.8); no PoC, exploit, or patch information is provided.

    0201691.3K
    5.3K followersView on X
  • RedPacket Security@RedPacketSec
    General

    CVE Alert: CVE-2026-21235 - Microsoft - Windows 10 Version 1809 - https://www.redpacketsecurity.com/cve-alert-cve-2026-21235-microsoft-windows-10-version-1809/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-21235 #microsoft #windows-10-version-1809

    Post summary

    The tweet announces a CVE alert for CVE-2026-21235 affecting Windows 10 version 1809 but provides no further technical or operational details.

    0000096
    3.5K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-21235 Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally. https://www.cve.org/CVERecord?id=CVE-2026-21235

    Post summary

    The text announces CVE-2026-21235, a use‑after‑free vulnerability in Microsoft Graphics Component that enables local privilege escalation.

    00000169
    56.5K followersView on X
CPE platform detail17 entries

17 of 17 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_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---

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