Page generated: 11 Nov 2026, 06:38 UTC
CVE-2023-21823
Windows Graphics Component Remote Code Execution Vulnerability
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
Sources: 8 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
Securelist
Press · 07 Jun 2023, 07:00 · Non-mobile malware statistics, Q1 2023 - Securelist
Cisco Talos Blog
Press · 16 Feb 2023, 08:00 · Threat Source newsletter (Feb. 16, 2023) — Recapping what we may have missed so far this year - Cisco Talos Blog
BleepingComputer
Press · 16 Feb 2023, 08:00 · CISA warns of Windows and iOS bugs exploited as zero-days - BleepingComputer
TechTarget
Press · 15 Feb 2023, 08:00 · Microsoft remedies three zero-days on February Patch Tuesday - TechTarget
TechTarget
Press · 15 Feb 2023, 08:00 · Microsoft remedies three zero-days on February Patch Tuesday - TechTarget
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 15:13). The curve appears once the score changes.
Public exploit evidence
1
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 7.8; EPSS 5.6%
- 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 13:58:49.717973+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z
Source event timeline
Added to the CISA KEV catalog
14 Feb 2023, 00:00
First press mention
14 Feb 2023, 08:00
Published
14 Feb 2023, 20:09
Latest press mention
07 Jun 2023, 07:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories