Page generated: 10 Nov 2026, 18:00 UTC
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CVE-2016-0099

The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain pr…

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The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows local users to gain privileges via a crafted application, aka "Secondary Logon Elevation of Privilege Vulnerability."
CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
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 7.8: +1.17
  • Fresh EPSS: 37.05%: +0.19

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

Sources: 6 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

Acronis
Press · 08 Dec 2025, 08:00 · Makop ransomware: GuLoader and privilege escalation in attacks against Indian businesses - Acronis
ReversingLabs
Press · 28 Sep 2023, 07:00 · BlackCat (ALPHV): What we know about the MGM hack - ReversingLabs
Dark Reading
Press · 08 Sep 2022, 07:00 · Everything You Need To Know About BlackCat (AlphaV) - Dark Reading
Securelist
Press · 22 Oct 2020, 07:00 · On the trail of the XMRig miner - Securelist
Cisco Talos Blog
Press · 27 Aug 2019, 07:00 · China Chopper still active 9 years later - Cisco Talos Blog
See all 6 source documents
Cisco Talos Blog
Press · 20 Jul 2016, 07:00 · Vulnerability Spotlight: Oracle's Outside In Technology, Turned Inside-Out - Cisco Talos Blog

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 8.4 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

4

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

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 7.8; EPSS 37.0%
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 13:57:42.957206+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
09 Mar 2016, 11:00
First press mention
20 Jul 2016, 07:00
Added to the CISA KEV catalog
03 Mar 2022, 00:00
Latest press mention
08 Dec 2025, 08:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
4 repositories