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CVE-2023-36884

Windows Search Remote Code Execution Vulnerability

CVSS 7.5 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.6/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.5: +1.12
  • Fresh EPSS: 99.44%: +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: 13 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

SECURITY.COM
Press · 05 Oct 2024, 07:07 · Attackers Exploit Unpatched Windows Zero-Day Vulnerability - SECURITY.COM
TechTarget
Press · 04 Jan 2024, 08:00 · 10 of the biggest zero-day attacks of 2023 - TechTarget
Unit 42
Press · 13 Nov 2023, 08:00 · In-Depth Analysis of July 2023 Exploit Chain Featuring CVE-2023-36884 and CVE-2023-36584 - Unit 42
Rapid7
Press · 08 Aug 2023, 07:00 · Patch Tuesday - August 2023 - Rapid7
Qualys
Press · 20 Jul 2023, 07:00 · Evaluate Your Windows Endpoints for Storm-0978 Activity With Qualys Endpoint Security - Qualys
See all 13 source documents
BornCity
Press · 14 Jul 2023, 07:00 · Critical RCE Vulnerability CVE-2023-36664 in GhostScript affects Linux, Windows etc. - BornCity
The Record from Recorded Future News
Press · 13 Jul 2023, 07:00 · CISA gives US civilian agencies until August 1 to resolve four Microsoft vulnerabilities - The Record from Recorded Future News
SOC Prime
Press · 12 Jul 2023, 07:00 · Storm-0978 Attacks Detection: russia-linked Hackers Exploit CVE-2023-36884 to Spread a Backdoor Targeting Defense and Public Sector Organizations - SOC Prime
The Hacker News
Press · 12 Jul 2023, 07:00 · Microsoft Releases Patches for 132 Vulnerabilities, Including 6 Under Active Attack - The Hacker News
Unit 42
Press · 12 Jul 2023, 07:00 · CVE-2023-36884 - Microsoft Office and Windows HTML Remote Code Execution: Threat Brief (Updated) - Unit 42
Help Net Security
Press · 11 Jul 2023, 07:00 · Microsoft patches four exploited zero-days, but lags with fixes for a fifth (CVE-2023-36884) - Help Net Security
TechTarget
Press · 11 Jul 2023, 07:00 · Microsoft repairs 5 zero-days for July Patch Tuesday - TechTarget
Microsoft
Press · 11 Jul 2023, 07:00 · Storm-0978 attacks reveal financial and espionage motives - Microsoft

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 8.6 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
jakabakos/CVE-2023-36884-MS-Office-HTML-RCE419Python02 Nov 2023, 09:08
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 7.5; EPSS 99.4%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, user interaction, additional attack conditions.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:56.083638+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
11 Jul 2023, 07:00
Published
11 Jul 2023, 18:14
Added to the CISA KEV catalog
17 Jul 2023, 00:00
Latest press mention
05 Oct 2024, 07:07
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories
Source: CVE List V5 · CISA KEV · FIRST EPSS · GitHub · RSSVulnRadar