Page generated: 09 Nov 2026, 04:06 UTC
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CVE-2025-33073

Improper access control in Windows SMB allows an authorized attacker to elevate privileges over a network.

CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.7/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.8: +1.32
  • Fresh EPSS: 82.70%: +0.41

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

Sources: 19 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

GBHackers News
Press · 19 Jan 2026, 08:00 · Windows SMB Client Vulnerability Exposes Organizations to Full Active Directory Compromise - GBHackers News
CyberSecurityNews
Press · 19 Jan 2026, 08:00 · Windows SMB Client Vulnerability Enables Attacker to Own Active Directory - CyberSecurityNews
Recorded Future
Press · 06 Nov 2025, 08:00 · October 2025 CVE Landscape: 32 High-Impact Vulnerabilities Demand Immediate Attention - Recorded Future
Check Point Research
Press · 27 Oct 2025, 07:00 · 27th October – Threat Intelligence Report - Check Point Research
it-daily.net
Press · 21 Oct 2025, 07:00 · Critical Windows SMB vulnerability being actively exploited in attacks - it-daily.net
See all 19 source documents
CyberSecurityNews
Press · 21 Oct 2025, 07:00 · CISA Warns of Windows SMB Vulnerability Actively Exploited in Attacks - CyberSecurityNews
Forbes
Press · 21 Oct 2025, 07:00 · Update Microsoft Windows Server, 10 And 11 Now — Attacks Underway - Forbes
SiliconANGLE
Press · 21 Oct 2025, 07:00 · CISA urges immediate patching of exploited Windows SMB client vulnerability - SiliconANGLE
Help Net Security
Press · 21 Oct 2025, 07:00 · CISA warns of Windows SMB flaw under active exploitation (CVE-2025-33073) - Help Net Security
The Hacker News
Press · 20 Oct 2025, 07:00 · Five New Exploited Bugs Land in CISA's Catalog — Oracle and Microsoft Among Targets - The Hacker News
BleepingComputer
Press · 20 Oct 2025, 07:00 · CISA: High-severity Windows SMB flaw now exploited in attacks - BleepingComputer
BornCity
Press · 16 Jun 2025, 07:00 · Windows Server 2016-2025: DHCP issues after June 2025 Update - BornCity
CyberSecurityNews
Press · 12 Jun 2025, 07:00 · Windows SMB Client Zero-Day Vulnerability Exploited Using Reflective Kerberos Relay Attack - CyberSecurityNews
The Hacker News
Press · 11 Jun 2025, 07:00 · Microsoft Patches 67 Vulnerabilities Including WEBDAV Zero-Day Exploited in the Wild - The Hacker News
Help Net Security
Press · 11 Jun 2025, 07:00 · Microsoft fixes zero-day exploited for cyber espionage (CVE-2025-33053) - Help Net Security
SOC Prime
Press · 11 Jun 2025, 07:00 · CVE-2025-33073: Windows SMB Client Zero-Day Lets Attackers Gain SYSTEM Privileges - SOC Prime
BleepingComputer
Press · 10 Jun 2025, 07:00 · Microsoft June 2025 Patch Tuesday fixes exploited zero-day, 66 flaws - BleepingComputer
thezdi.com
Press · 10 Jun 2025, 07:00 · The June 2025 Security Update Review - thezdi.com
Krebs on Security
Press · 10 Jun 2025, 07:00 · Patch Tuesday, June 2025 Edition - Krebs on 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 8.7 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

3

Public exploit entries / repo candidates

See 3 repos with metrics
RepositoryStarsForksLanguageUpdated
mverschu/CVE-2025-33073720134Python18 Feb 2026, 09:15
matejsmycka/CVE-2025-33073-checker00Shell31 Jul 2025, 11:13
starscow/CVE-2025-3307300—15 Jun 2025, 17:52
Public exploit evidence
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 8.8; EPSS 82.7%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, low 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 13:59:34.986036+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
10 Jun 2025, 07:00
Published
10 Jun 2025, 17:02
Added to the CISA KEV catalog
20 Oct 2025, 00:00
Latest press mention
19 Jan 2026, 08:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
3 repositories