Page generated: 09 Nov 2026, 13:49 UTC
CVE-2024-21410
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG
Attention and evidence
HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.5/10
General review priority; not probability
Evidence confidence: Exploitation recorded
Sources: 11 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
TechTarget
Press · 13 Mar 2024, 07:00 · March Patch Tuesday fixes critical Hyper-V vulnerabilities - TechTarget
TechTarget
Press · 12 Mar 2024, 07:00 · March Patch Tuesday fixes critical Hyper-V vulnerabilities - TechTarget
CyberSecurityNews
Press · 20 Feb 2024, 08:00 · 8,500+ Exchange Servers Vulnerable To Privilege escalation 0-Day Flaw - CyberSecurityNews
Arctic Wolf
Press · 20 Feb 2024, 08:00 · Recommendations CVE-2024-21410, CVE-2024-21413, and CVE-2024-21401 - Arctic Wolf
SecurityWeek
Press · 20 Feb 2024, 08:00 · Recent Zero-Day Could Impact Up to 97,000 Microsoft Exchange Servers - SecurityWeek
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 8.5 (2026-11-02 15:13). The curve appears once the score changes.
Public exploit evidence
0
Public exploit entries / repo candidates
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 12.7%
- 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 13:59:08.088796+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z
Source event timeline
First press mention
13 Feb 2024, 08:00
Published
13 Feb 2024, 18:02
Added to the CISA KEV catalog
15 Feb 2024, 00:00
Latest press mention
13 Mar 2024, 07:00
Score calculated
05 Nov 2026, 13:59