Page generated: 11 Nov 2026, 06:30 UTC
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CVE-2026-33825

Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.

CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.2/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.8: +1.17
  • Fresh EPSS: 6.75%: +0.03

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

Sources: 27 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

Barracuda Blog
Press · 03 Sep 2026, 07:00 · Nightmare-Eclipse: six zero-days, six weeks and one big grudge - Barracuda Blog
https://tech-insider.org/
Press · 25 Jul 2026, 07:00 · BlueHammer: CVSS 7.8 Defender Bug Fuels Ransomware [2026] - https://tech-insider.org/
Recorded Future
Press · 10 Jul 2026, 07:00 · June 2026 CVE Landscape - Recorded Future
The Hacker News
Press · 09 Jul 2026, 07:00 · Microsoft Patches RoguePlanet Defender Flaw That Can Grant SYSTEM Privileges - The Hacker News
SecurityWeek
Press · 30 Jun 2026, 07:00 · BlueHammer Vulnerability Exploited in Ransomware Attacks - SecurityWeek
See all 27 source documents
BleepingComputer
Press · 30 Jun 2026, 07:00 · CISA: Windows BlueHammer flaw now exploited by ransomware gangs - BleepingComputer
The Hacker News
Press · 17 Jun 2026, 07:00 · Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in Development - The Hacker News
The Hacker News
Press · 21 May 2026, 07:00 · Microsoft Warns of Two Actively Exploited Defender Vulnerabilities - The Hacker News
Help Net Security
Press · 21 May 2026, 07:00 · Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498) - Help Net Security
Qualys
Press · 27 Apr 2026, 07:00 · Microsoft and Adobe Patch Tuesday, April 2026 Security Update Review - Qualys
SecurityWeek
Press · 23 Apr 2026, 07:00 · Recent Microsoft Defender Vulnerability Exploited as Zero-Day - SecurityWeek
BleepingComputer
Press · 23 Apr 2026, 07:00 · CISA orders feds to patch BlueHammer flaw exploited as zero-day - BleepingComputer
Dark Reading
Press · 21 Apr 2026, 07:00 · Exploits Turn Windows Defender Into Attacker Tool - Dark Reading
LinkedIn
Press · 18 Apr 2026, 07:00 · WARNING: Three Microsoft Defender Zero-Days Under Active Attack As Two Remain Unpatched - LinkedIn
Help Net Security
Press · 17 Apr 2026, 07:00 · Researcher drops two more Microsoft Defender zero-days, all three now exploited in the wild - Help Net Security
The Hacker News
Press · 17 Apr 2026, 07:00 · Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched - The Hacker News
Field Effect
Press · 15 Apr 2026, 07:00 · Microsoft April 2026 Patch Tuesday fixes two zero days, including BlueHammer - Field Effect
Hong Kong Computer Emergency Response Team Coordination Centre
Press · 15 Apr 2026, 07:00 · Microsoft Monthly Security Update (April 2026) - Hong Kong Computer Emergency Response Team Coordination Centre
The Hacker News
Press · 15 Apr 2026, 07:00 · Microsoft Issues Patches for SharePoint Zero-Day and 168 Other New Vulnerabilities - The Hacker News
Security Affairs
Press · 15 Apr 2026, 07:00 · Microsoft Patch Tuesday for April 2026 fixed actively exploited SharePoint zero-day - Security Affairs
Malwarebytes
Press · 15 Apr 2026, 07:00 · April Patch Tuesday fixes two zero-days, including one under active attack - Malwarebytes
csoonline.com
Press · 14 Apr 2026, 07:00 · April Patch Tuesday roundup: Zero day vulnerabilities and critical bugs - csoonline.com
Rapid7
Press · 14 Apr 2026, 07:00 · Patch Tuesday - April 2026 - Rapid7
Dark Reading
Press · 14 Apr 2026, 07:00 · Privilege Elevation Dominates Massive Microsoft Patch Update - Dark Reading
Cisco Talos Blog
Press · 14 Apr 2026, 07:00 · Microsoft Patch Tuesday for April 2026 - Snort Rule and Prominent Vulnerabilities - Cisco Talos Blog
Krebs on Security
Press · 14 Apr 2026, 07:00 · Patch Tuesday, April 2026 Edition - Krebs on Security
thezdi.com
Press · 14 Apr 2026, 07:00 · The April 2026 Security Update Review - thezdi.com

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 8.2 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
Joe1sn/CVE-2026-3382542C++02 May 2026, 06:55
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 7.8; EPSS 6.7%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local 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 14:00:06.817747+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
14 Apr 2026, 07:00
Published
14 Apr 2026, 16:57
Added to the CISA KEV catalog
22 Apr 2026, 00:00
Latest press mention
03 Sep 2026, 07:00
Score calculated
05 Nov 2026, 14:00
PoCs on GitHub
1 repositories