Page generated: 10 Nov 2026, 20:15 UTC
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CVE-2026-65660

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
1.1/10
REALITY · THREAT PRIORITY
8.4/10
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: 8.19%: +0.04

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

Sources: 26 documents and public datasets.

Hype components

Headline sample (25%)
30/100
Press, 30 days (60%)
5/100
Grounded branding (15%)
0/100
HYPE TOTAL10/100

Sources and documents

Computerworld
Press · 16 Oct 2026, 07:00 · October Patch Tuesday: 1,408 CVEs, 1 exploited flaw and a SharePoint surprise - Computerworld
Field Effect
Press · 01 Oct 2026, 19:51 · SharePoint vulnerability actively exploited - Field Effect
eSecurity Planet
Press · 29 Sep 2026, 07:00 · ShinyHunters Bypasses PeopleSoft WAF in Renewed Exploitation - eSecurity Planet
Rescana
Press · 28 Sep 2026, 07:00 · Active Exploitation of Citrix NetScaler ADC and Gateway Zero-Day Vulnerabilities (CVE-2026-88771, CVE-2026-88772) – Urgent Patch Required - Rescana
Rescana
Press · 28 Sep 2026, 07:00 · Microsoft SharePoint Server CVE-2026-65660 Actively Exploited: Critical RCE Vulnerability Threatens Unpatched Systems - Rescana
See all 26 source documents
CISO Series
Press · 28 Sep 2026, 07:00 · Cybersecurity News: New SharePoint exploit, Australian OpenAI hack developments, Kiteworks urges stoppage - CISO Series
CyberSecurityNews
Press · 28 Sep 2026, 07:00 · CISA Warns of Microsoft SharePoint Code Injection Vulnerability Exploited in Attacks - CyberSecurityNews
https://tech-insider.org/
Press · 28 Sep 2026, 07:00 · SharePoint CVE-2026-65660: CISA Deadline Explained - https://tech-insider.org/
shattered.io
Press · 28 Sep 2026, 07:00 · SharePoint Flaw Hits CISA KEV List, CVSS Score 8.8 [2026] - shattered.io
https://tech-insider.org/
Press · 28 Sep 2026, 07:00 · Citrix NetScaler Zero-Days: CISA Sets 3-Day Deadline - https://tech-insider.org/
SecurityWeek
Press · 27 Sep 2026, 07:00 · Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks - SecurityWeek
The Hacker News
Press · 26 Sep 2026, 07:00 · SharePoint RCE and MikroTik RouterOS Flaws Actively Exploited in the Wild - The Hacker News
BleepingComputer
Press · 25 Sep 2026, 07:00 · CISA warns of Sharepoint, WSO2, Adobe Commerce flaws exploited in attacks - BleepingComputer
Security Affairs
Press · 25 Sep 2026, 07:00 · U.S. CISA adds Microsoft SharePoint and Mikrotik RouterOS flaws to its Known Exploited Vulnerabilities catalog - Security Affairs
https://tech-insider.org/
Press · 24 Sep 2026, 07:00 · Linux Flaw CVE-2026-80521 Escapes Containers to Root [2026] - https://tech-insider.org/
Petri IT Knowledgebase
Press · 24 Sep 2026, 07:00 · SharePoint Validation Flaw Raises Remote Code Execution Risks - Petri IT Knowledgebase
Cyber Press
Press · 23 Sep 2026, 07:00 · Microsoft SharePoint Flaw Lets Low-Privilege Attackers Execute Remote Code - Cyber Press
Redmondmag.com
Press · 23 Sep 2026, 07:00 · Recent SharePoint Flaw Can Lead to Server Takeover - Redmondmag.com
GBHackers News
Press · 23 Sep 2026, 07:00 · Microsoft SharePoint Flaw Lets Low-Privilege Attackers Execute Remote Code - GBHackers News
CyberSecurityNews
Press · 22 Sep 2026, 07:00 · Microsoft SharePoint Flaw Lets Attackers Execute Code Remotely With Low Privileges - CyberSecurityNews
The Hacker News
Press · 22 Sep 2026, 07:00 · SharePoint Flaw Initially Listed as Spoofing by Microsoft Enables Authenticated RCE - The Hacker News
Recorded Future
Press · 13 Sep 2026, 07:00 · September 2026 CVE Landscape - Recorded Future
SecurityWeek
Press · 10 Sep 2026, 07:00 · New ‘ShieldCrash’ Zero-Day Exploit Targets Microsoft Defender - SecurityWeek
Rapid7
Press · 11 Aug 2026, 07:00 · Patch Tuesday - August 2026 - Rapid7
BleepingComputer
Press · 11 Aug 2026, 07:00 · Microsoft August 2026 Patch Tuesday fixes 400 flaws, 3 zero-days - BleepingComputer
SecurityWeek
Press · 09 Jun 2026, 07:00 · Google Patches 5th Chrome Zero-Day Exploited in 2026 - SecurityWeek

Score evolution

● Hype   ● Reality

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

First record: hype 1.1 · reality 8.4 (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
ShadowForge-Cyber/CVE-2026-65660-Poc11—25 Sep 2026, 20:32
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 8.2%
Attention, last 30 days
1 distinct story titles; 1 press documents; 1 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 14:00:20.868659+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
09 Jun 2026, 07:00
Published
11 Aug 2026, 17:04
Added to the CISA KEV catalog
25 Sep 2026, 00:00
Latest press mention
16 Oct 2026, 07:00
Score calculated
05 Nov 2026, 14:00
PoCs on GitHub
1 repositories