VulnSocial

CVE-2026-44812General(microsoft / excel)

LOWCVSS 7.8 · 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

Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-190

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.

  • excel
  • powerpoint
  • windows_10_1607
  • windows_10_1809

Threat summary

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

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-06-09); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
microsoft
Products
excelpowerpointwindows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1

2 versions affected across 16 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-09: 1Mentions · 2026-06-10: 1Technical Details · 2026-06-10: 106-0906-10
Signal classification2 categories
General
150.0%
Disclosure
150.0%
Referenced assets1 URL
By indicator
Classification over time
DateTotalLabels
2026-06-091
General1
2026-06-101
Disclosure1
Full discourse2 posts
  • kawn@kawn2020
    Disclosure

    #windowsupdate #microsoft つづき ・CVE-2026-42985　8.8　リモート デスクトップ クライアント ・CVE-2026-42986　7.8　Microsoft Graphics コンポーネント ・CVE-2026-42989　7.8　Winlogon ・CVE-2026-44803　7.8　Windows Win32K: GRFX ・CVE-2026-44812　7.8　Windows Win32K: GRFX つづく…

    Post summary

    The bulletin lists several newly disclosed CVEs with their CVSS scores and affected components but does not provide any PoC, exploit, patch, or evidence of active exploitation.

    1001087
    85 followersView on X
  • VulDB 🛡@vuldb
    General

    The severity is increased for this new vulnerability affecting Microsoft Windows (CVE-2026-44812) https://vuldb.com/vuln/369649

    Post summary

    A brief note says the severity of CVE‑2026‑44812 has been increased, with a link to a VulDB entry.

    0000047
    2.2K followersView on X
CPE platform detail27 entries

27 of 27 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftexcel-android-
Appmicrosoftpowerpoint-android-
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_11_26h1--arm64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016--x64
OSmicrosoftwindows_server_2019--x64
OSmicrosoftwindows_server_2022--x64
OSmicrosoftwindows_server_2025--x64
Appmicrosoftword-android-

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