VulnSocial

CVE-2026-45595PoC(microsoft / windows_10_1607)

LOWCVSS 5.4 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.

microsoft CVEsBack to dashboard
2.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-693

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

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

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked 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_2012windows_server_2016

1 version affected across 13 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-10: 1PoC Mentioned / Linked · 2026-06-10: 1Technical Details · 2026-06-10: 106-10
Signal classification1 categories
PoC
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Soroush Dalili@irsdl
    PoC

    Analysis of CVE-2026-45595 Mark of the Web (MOTW) Issue by Opus 4.8 in 12 minutes: https://gist.github.com/irsdl/ad54a34d7bd16b092e0911e27135ebe1 I admit, I am not 100% sure this is correct but looks promising! Opus 4.8 is capable in reversing, we then ask Fable 5 to find a bypass! #NDay #AI #MSRC

    Post summary

    The post links to a Gist containing an analysis of CVE‑2026‑45595, suggesting a proof‑of‑concept exists, but it does not detail a full exploit or evidence of active exploitation.

    014039285.1K
    20.0K 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_11_26h1--arm64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025--x64

Explore more

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