VulnSocial

CVE-2026-50355Patch(microsoft / .net_framework)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft .net_framework systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-121

Priority

LOW

Exploitation

NONE

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.

  • .net_framework
  • windows_10_1607
  • windows_10_1809
  • windows_10_21h2

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
.net_frameworkwindows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012

9 versions affected across 14 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-15: 1Patch / Workaround · 2026-07-15: 1Technical Details · 2026-07-15: 107-15
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    Patch

    🪟 AD FS can be knocked offline remotely—no login required. If federated sign-in runs your business, July 14’s patch isn’t a suggestion; it’s your outage prevention plan. Microsoft calls it “Important.” Users may disagree. https://windowsforum.com/threads/cve-2026-50355-patch-ad-fs-dos-with-july-14-server-updates.438446/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsServer #PatchTuesday https://t.co/z9891Gk6y3

    Post summary

    The post highlights a remote denial‑of‑service flaw in AD FS and urges users to apply the July 14 patch immediately, labeling it as an important fix.

    0000035
    1.2K followersView on X
CPE platform detail38 entries

38 of 38 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoft.net_framework3.5--
Appmicrosoft.net_framework4.6.2--
Appmicrosoft.net_framework4.7--
Appmicrosoft.net_framework4.7.1--
Appmicrosoft.net_framework4.7.2--
Appmicrosoft.net_framework4.8--
Appmicrosoft.net_framework4.8.1--
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--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---
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025---

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