Page generated: 07 Nov 2026, 05:18 UTC
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CVE-2025-59287

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.98%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 28 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

The Hacker News
Press · 24 Nov 2025, 08:00 · ShadowPad Malware Actively Exploits WSUS Vulnerability for Full System Access - The Hacker News
SOC Prime
Press · 17 Nov 2025, 21:29 · CVE-2025-59287: Actionable Report for SOC Teams - SOC Prime
Rapid7
Press · 14 Nov 2025, 08:00 · Metasploit Wrap-Up 11/14/2025 - Rapid7
SOC Prime
Press · 12 Nov 2025, 08:00 · CVE-2025-62215: Microsoft Patches Windows Kernel Zero-Day Vulnerability Under Active Exploitation - SOC Prime
Recorded Future
Press · 06 Nov 2025, 08:00 · October 2025 CVE Landscape: 32 High-Impact Vulnerabilities Demand Immediate Attention - Recorded Future
See all 28 source documents
CyberSecurityNews
Press · 04 Nov 2025, 08:00 · Hackers Actively Scanning for TCP Port 8530/8531 Linked to WSUS Vulnerability CVE-2025-59287 - CyberSecurityNews
Cyber Press
Press · 03 Nov 2025, 08:00 · Hackers Actively Scanning TCP Ports 8530/8531 for WSUS Vulnerability CVE-2025-59287 - Cyber Press
Unit 42
Press · 03 Nov 2025, 08:00 · Microsoft WSUS Remote Code Execution (CVE-2025-59287) Actively Exploited in the Wild (Updated November 3) - Unit 42
Cybersecurity Dive
Press · 30 Oct 2025, 07:00 · CISA updates guidance and warns security teams on WSUS exploitation - Cybersecurity Dive
SOC Prime
Press · 30 Oct 2025, 07:00 · CVE-2025-59287 Detection: A Critical Unauthenticated RCE Vulnerability in Microsoft WSUS Under Active Exploitation - SOC Prime
Sophos
Press · 29 Oct 2025, 07:00 · Windows Server Update Services (WSUS) vulnerability abused to harvest sensitive data - Sophos
Bitdefender
Press · 28 Oct 2025, 07:00 · Technical Advisory: Critical Unauthenticated RCE in Windows Server Update Services (WSUS) - CVE-2025-59287 - Bitdefender
Cybersecurity Dive
Press · 28 Oct 2025, 07:00 · Google probes exploitation of critical Windows service CVE - Cybersecurity Dive
The Record from Recorded Future News
Press · 27 Oct 2025, 07:00 · CISA releases warning about Windows Server Update Service bug, orders agencies to patch - The Record from Recorded Future News
CyberScoop
Press · 27 Oct 2025, 07:00 · Attackers bypass patch in deprecated Windows Server update tool - CyberScoop
SecurityWeek
Press · 24 Oct 2025, 07:00 · Critical Windows Server WSUS Vulnerability Exploited in the Wild - SecurityWeek
The Hacker News
Press · 24 Oct 2025, 07:00 · Newly Patched Critical Microsoft WSUS Flaw Comes Under Active Exploitation - The Hacker News
Help Net Security
Press · 24 Oct 2025, 07:00 · Microsoft releases urgent fix for actively exploited WSUS vulnerability (CVE-2025-59287) - Help Net Security
Arctic Wolf
Press · 24 Oct 2025, 07:00 · Microsoft Releases Emergency Patch for Exploited Critical Remote Code Execution Vulnerability (CVE-2025-59287) - Arctic Wolf
Dark Reading
Press · 24 Oct 2025, 07:00 · Microsoft Issues Emergency Patch for Critical Windows Server Bug - Dark Reading
BleepingComputer
Press · 24 Oct 2025, 07:00 · Critical WSUS flaw in Windows Server now exploited in attacks - BleepingComputer
Cybersecurity Dive
Press · 24 Oct 2025, 07:00 · Hackers exploiting critical vulnerability in Windows Server Update Service - Cybersecurity Dive
Qualys
Press · 24 Oct 2025, 07:00 · Microsoft and Adobe Patch Tuesday, October 2025 Security Update Review - Qualys
Help Net Security
Press · 15 Oct 2025, 07:00 · Microsoft patches three zero-days actively exploited by attackers - Help Net Security
The Hacker News
Press · 15 Oct 2025, 07:00 · Two New Windows Zero-Days Exploited in the Wild — One Affects Every Version Ever Shipped - The Hacker News
Rapid7
Press · 14 Oct 2025, 07:00 · Patch Tuesday - October 2025 - Rapid7
thezdi.com
Press · 14 Oct 2025, 07:00 · The October 2025 Security Update Review - thezdi.com
Absolute Security
Press · 14 Oct 2025, 07:00 · October 2025 Patch Tuesday: Critical Microsoft CVEs & Patching Tips - Absolute Security

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

7

Public exploit entries / repo candidates

See 7 repos with metrics
RepositoryStarsForksLanguageUpdated
Lupovis/Honeypot-for-CVE-2025-59287-WSUS264Shell27 Oct 2025, 13:31
tecxx/CVE-2025-59287-WSUS185PowerShell27 Oct 2025, 14:18
garvitv14/CVE-2025-59287162Python25 Oct 2025, 17:23
M507/CVE-2025-59287-PoC154Python10 Dec 2025, 21:33
0xBruno/WSUSploit.NET11C#31 Oct 2025, 20:20
DaddyBigFish/CVE-2025-59287-hawktrace00Python25 Oct 2025, 14:17
MaxymGorn/cve-2025-59287-exploit-poc01—03 Nov 2025, 10:57
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 100.0%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:43.394995+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
14 Oct 2025, 07:00
Published
14 Oct 2025, 17:01
Added to the CISA KEV catalog
24 Oct 2025, 00:00
Latest press mention
24 Nov 2025, 08:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
7 repositories