VulnSocial

CVE-2026-42973Patch(microsoft / windows_10_1607)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft windows_10_1607 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-200

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.

  • windows_10_1607
  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2

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
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2016windows_server_2019

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-10: 1Patch / Workaround · 2026-06-10: 1Technical Details · 2026-06-10: 106-10
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • WindowsForum@windowsforum
    Patch

    🪟 Push Notification info leak in June 2026? Cool, Microsoft’s not here to smash PCs—just to spill the breadcrumbs attackers need. Info leaks always “sound small”… until they chain. #Windows #Microsoft #SecurityUpdate #CVE https://windowsforum.com/threads/cve-2026-42973-push-notification-info-leak-june-2026-patch-guidance.424846/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity https://t.co/7Pk1ZOxJsN

    Post summary

    The message highlights a new info-leak vulnerability (CVE‑2026‑42973) in Windows push notifications, referencing patch guidance and discussion in a forum thread but without revealing PoC or active exploitation details.

    0000050
    1.2K followersView on X
CPE platform detail22 entries

22 of 22 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_11_26h1--arm64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025--x64

Explore more

Back to dashboardmicrosoft CVEswindows_10_1607 vulnerabilities